Junior singles titles (3)

More information No., Date ...

No.	Date	Tournament	Surface	Opponent	Score
1.	21 August 2010	Lautoka	Hard	Maverick Banes	6–4, 6–4
2.	21 March 2011	Kuching	Hard	Andrew Whittington	6–4, 4–6, 6–4
3.	28 March 2011	Manila	Hard	Tobias Blomgren	6–3, 6–2

Close

2006–2009

Duckworth entered his first professional tournament in September 2006 as a 14-year-old in Happy Valley, South Australia where he was defeated in the first round of qualifying. He entered his second pro tournament in September 2007; the event was held in Sawtell, New South Wales, and Duckworth made it to the final round of qualifying, but fell at the last hurdle. In November 2008, Duckworth received a wildcard into a Futures tournament held in Perth and made the most of his opportunity; he recorded his first main draw victory in the first round. He followed up the victory with a surprise win over the fifth seed. In the quarterfinals, he fell to fourth seed and eventual champion Andrew Coelho. The following week, Duckworth received another wildcard into an event held in Sorrento, Western Australia, but could not keep the form going as he fell in the first round to James Lemke. Despite entering four Australian Futures toward the end of 2009, Duckworth only won one match and finished 2009 ranked no. 1712.^[3]

2010: Turned Professional

The 2010 season began for Duckworth with a qualifying wildcard into his hometown ATP event in Sydney where he lost in the first round to fellow Australian Marinko Matosevic 1–6, 3–6. He also received a wildcard into the qualifying tournament of the 2010 Australian Open but fell in the first round to Somdev Devvarman 2–6, 1–6. While not competing in junior tournaments Duckworth played several futures tournaments held in Australia, Netherlands, USA and New Zealand. His best result came in November when he reached the semi-finals of a futures tournament held in New Zealand. Duckworth finished the year ranked 742 in the ATP rankings.

2011: Top 300 debut

Duckworth began the year playing in the 2011 Brisbane International and the 2011 Australian Open qualifying tournaments after receiving wildcards into each event. Following the Australian summer series of tournaments Duckworth headed to Europe in hopes of boosting his ranking. Duckworth's choice of tournaments would prove successful with four titles and two runners-up in tournaments held across Poland and Italy.^[1]

His latest futures title was in Este Padova where he defeated Australian Jason Kubler en route to the final against Daniele Giorgini. These results enabled him to enter the top 300 on 29 August 2011 and he became one of Australia's top 10 players.^[4] Duckworth capped off the year by reaching the final of the 2012 Australian Open Men's Wildcard Playoff, falling to Marinko Matosevic 6–4, 6–1, 6–2.^[5]

2012: ATP and Grand Slam debut

Following a successful 2011 season Duckworth was granted main draw wildcards into the Brisbane International, Apia International Sydney and the Australian Open. in January 2012, in the first round of his first ATP main-draw event at the 2012 Brisbane International Duckworth drew Frenchman Nicolas Mahut. After trailing 0–4 in the first set Duckworth came back and won his first ever ATP match 6–4, 6–4. In the second round of Brisbane Duckworth fell to world no. 12 Gilles Simon 3–6, 5–7 on Pat Rafter Arena. In the 2012 Apia International Sydney Duckworth fell to qualifier and eventual champion Jarkko Nieminen 2–6, 2–6.

On his Grand Slam debut at the 2012 Australian Open, Duckworth drew Estonian Jürgen Zopp in the first round and came out victorious in straight sets 6–3, 6–4, 6–4. In the second round Duckworth faced world number 9 Janko Tipsarević and got off to a quick start taking the first set. Duckworth would eventually lose in four sets 6–3, 2–6, 6–7, 4–6. Following the Australian Open Duckworth entered the Burnie Challenger where he was a first round casualty to Ben Mitchell 6–4, 3–6, 4–6. A week later Duckworth was seeded third in the Caloundra challenger and lived up to his seeding by reaching his first ever challenger semi-final. He was defeated by eventual champion Marinko Matosevic in the semi-finals 6–7, 3–6.

2013: Top 150 debut

Duckworth started his year at the 2013 Brisbane International where he lost in the second round of qualifying. He then played in the 2013 Apia International Sydney, where as a wildcard he almost made an upset against world No. 46 Denis Istomin 7–6⁽⁴⁾, 4–6, 6–7⁽³⁾. Duckworth then played in the 2013 Australian Open after receiving a wildcard. He defeated fellow Australian and good friend Ben Mitchell in the first round 6–4, 7–6⁽⁸⁾, 4–6, 5–7, 8–6. He then played another long five set match in the second round, losing to world number 93 player Blaž Kavčič 6–3, 3–6, 4–6, 7–6⁽³⁾, 8–10.^[6] After two first round losses against James Ward at the 2013 McDonald's Burnie International and the Charles Sturt Adelaide International, Duckworth reached the final of the Australia F1 Futures in Melbourne going down against Stéphane Robert 6–7⁽³⁾, 3–6. Duckworth then competed in the 2013 Nature's Way Sydney Tennis International losing to compatriot Samuel Groth in the quarterfinals 6–7⁽²⁾, 6–7⁽⁵⁾.

Duckworth reached the second round at the 2013 All Japan Indoor Tennis Championships after defeating Jose Rubin Statham 6–4, 4–6, 6–3. He went down to second seed Marco Chiudinelli 6–7⁽⁵⁾, 7–6⁽⁷⁾, 2–6. Duckworth returned to Australia to compete in the Australia F5 tournament in Bundaberg. He reached the final and won it defeating Jason Kubler 7–6⁽⁹⁾, 6–2. This was his fifth ITF title and his first in Australia.

After qualifying, Duckworth lost to Blaž Kavčič in the first round of the 2013 French Open. At Wimbledon, Duckworth progressed through qualifying again, but lost in the first round to fellow qualifier Denis Kudla in 5 sets. He made his top 150 debut on 12 August 2013. In October, Duckworth made the semi-finals of Melbourne Challenger, which improved his ranking to a career high of No. 132.

2014: First and Second Challenger titles

Duckworth started his year at the 2014 Brisbane International after being awarded a wildcard. He was defeated in round 1 by Jarkko Nieminen^[7]

On 8 January, Duckworth was awarded a wild card into the 2014 Australian Open. His first round opponent was Roger Federer. He lost in straight sets.^[8]

In April, Duckworth reached the final of the Cachantún Cup. This was his second Challenger final, but lost to Thiemo de Bakker. Duckworth qualified for the 2014 French Open but lost in round one to Leonardo Mayer. In June, Duckworth qualified for the 2014 Aegon Championships and made round 2, where he lost in a close three-set match against the No. 2 seed, Tomáš Berdych, 4–6 in the third set. Duckworth qualified for 2014 Wimbledon Championships and in the first round led Richard Gasquet 2 sets to 1, before ultimately losing in five sets.

In July, Duckworth competed in the Lexington Challenger where he defeated countrymen Jordan Thompson in the second round and Thanasi Kokkinakis in the semifinal. He defeated Brit James Ward, 6–3, 6–4 in the final to win his first Challenger Title.

Duckworth was beaten in second round of qualifying at the US Open. In November, Duckworth made the final of the 2014 Charlottesville Challenger. He defeated Brit Liam Broady in the final on 2 November, this was his second career Challenger tour title. Duckworth finished 2014 with a career-high ranking of No.127.

2015: Top 100 debut

As with the previous three years, Duckworth commenced his season at the 2015 Brisbane International after being awarded a wild card. In round 1, he caused an upset, defeating world no.21 Gilles Simon, 6–2, 6–2. He then defeated Jarkko Nieminen reaching the quarter-finals in an ATP Tour event for the first time in his career.^[9] But then he lost to Roger Federer in straight sets 0–6, 1–6.^[10] Duckworth was given a wild card into the 2015 Australian Open, where he defeated Blaž Kavčič in round 1 but lost to the 24th seed Richard Gasquet in the second round. In February, Duckworth was the no.1 seed at the Delhi Challenger and Kolkata Challenger. He lost in round 2 at Delhi and lost in the final of Kolkata to Radu Albot. At Indian Wells, Duckworth qualified and defeated Dominic Thiem in round 1 before losing to Fernando Verdasco, as a result of his performance, he secured a top 100 ATP ranking for the first time in his career on 23 March 2015.^[11] Duckworth then qualified for the 2015 Miami Open and reached the second round where he again lost to Verdasco. He then returned to the challenger tour playing in San Luis, Anning and Bordeaux where he lost in the semi-finals, quarter-finals and second round respectively. Duckworth then played in the Tour 250 event in Nice where he defeated lucky losers Frances Tiafoe and Quentin Halys to reach his second ATP tour quarterfinal of 2015 and his career. He then lost to Borna Ćorić in straight sets. At Wimbledon, Duckworth came back from 2 sets to 0 down again Malek Jaziri to win in five sets, posting his first win at Wimbledon.^[12] He lost to compatriot Sam Groth in round 2.^[13] At the US Open, Duckworth lost in round 1 to Hyeon Chung in straight sets. He played a number of challenger events to finish the season making the quarter finals in Ho Chi Minh, Ningbo and Knoxville. Duckworth ended the year with a ranking of World No. 120.

2016: First ATP doubles final, Elbow injury and ranking drop

Duckworth again commenced the year at the 2016 Brisbane International, but lost in the first round to Dominic Thiem.^[14] He played doubles with Chris Guccione where they made the final losing to Henri Kontinen and John Peers. Duckworth was awarded a wild card into Sydney, where he defeated Íñigo Cervantes and lost to Jérémy Chardy in round 2. At the 2016 Australian Open, Duckwork lost to Lleyton Hewitt in the first round as a wildcard. Duckworth tore a flexor tendon in his right elbow after the Australian Open, he then broke his left wrist doing sprints and sidelined Duckworth for four months. His ranking dropped to outside the top 200.^[15]

He returned to play in May and won the China F6 in Wuhan and Bangkok Challenger. Duckworth's grass season was unsuccessful, winning just one match in qualifying. In July, Duckworth qualified for the main draw at the 2016 Citi Open, losing in the second round to the top seed, John Isner. Duckworth lost in the final round of qualifying for Rogers Cup and again in Atlanta Open, both in final set tie-breaks. At the US Open, Duckworth was awarded a wildcard. He defeated Robin Haase in the first round. In November, Duckworth won his second and third Challenger titles of the year, defeating compatriot and maiden finalist Marc Polmans in Canberra and Tatsuma Ito in Japan.^[16] Duckworth ended the year with a ranking of World No. 103.

2017: Foot surgery

Duckworth commenced the season at the 2017 Australian Open where he received direct entry for the first time in his career. He lost to Paolo Lorenzi in round 1.^[17] Shortly after the loss, Duckworth underwent a foot surgery.^[18] Duckworth didn't play again in 2017, ending the year with a ranking of 992.

2018: Return

In January, Duckworth attempted to play the Brisbane International and Australian Open, falling in qualifying in both. Duckworth next played the French Open losing to Marin Čilić in round 1. In June, Duckworth reached and retired in the final of the ITF Turkey F22.

Duckworth lost to Alexander Zverev in the first round of Wimbledon. In July Duckworth won his first match on the ATP World Tour in over 18 months at the 2018 Citi Open.^[19] Duckworth lost to Andy Murray in the first round of the US Open.^[20] Immediately after the US Open, Duckworth qualified for and won the Cary Challenger. This was his first title in 2 years.^[21] Duckworth ended 2018 with an ATP singles rank of 234.

2019: Four Challenger titles, Sixth Australian Open wildcard, Return to Top 100

In January, Duckworth lost in the first round of the Brisbane International, Sydney International and Australian Open after getting a sixth wildcard, before returning to the Asian challenger tour, winning the 2019 Bangkok Challenger II.

In May, Duckworth lost in the first round of qualifying for the 2019 French Open and in June, the second round of qualifying at Wimbledon. In July, Duckworth returned to the challenger tour in Asian challenger tour reaching the final of the Yokkaichi Challenger and winning Baotou. At year-end he returned to the top 100 on 18 November 2019.

2020: First ATP semifinal, Australian Open doubles quarterfinal, out of top 100

In February 2020, Duckworth reached his first ATP Tour semi-final in Pune, India, losing to Egor Gerasimov in straight sets.^[22] Also in February, Duckworth won the 2020 Bengaluru Challenger; his eleventh singles Challenger title.^[23] As a result, he reached a career-high ranking of No. 71 on 17 February 2020.

Following the tennis shutdown, due to the Covid pandemic, Duckworth lost in the first round of the US Open and French Open. Duckworth ended 2020 with an ATP singles rank of No. 103.

2021: Olympics debut, first ATP final, Masters quarterfinal & top 50

Duckworth commenced the 2021 season at the 2021 Murray River Open where he defeated Ugo Humbert his first win over a top-50 opponent in more than four years.^[24] He also reached the second round at the 2021 Australian Open for a fourth time defeating lucky loser Damir Džumhur. In March, at the 2021 Miami Open he reached the third round of a Masters 1000 for the first time in his career defeating 8th seed David Goffin for his first top-20 win. In May, at the 2021 French Open, he reached the second round for the first time in his career in six attempts defeating Salvatore Caruso.

In June, Duckworth scored his first top-50 win on grass, against Adrian Mannarino at the Stuttgart Open.^[25] At the 2021 Wimbledon Championships Duckworth reached the third round of a Grand Slam for the first time in his career defeating Sam Querrey, which came in his 25th Grand Slam main draw.^[26][27]

In July, Duckworth represented Australia at the 2020 Summer Olympics, where he recorded his first win against Lukáš Klein. He was defeated by 12th seed Karen Khachanov in the second round.^[28] In August, Duckworth qualified for the Canada Open and defeated world number 15 Jannik Sinner to reach the third round. It was the second top-20 win of Duckworth's career.^[29][30] As a result, he entered the top 70. In September, Duckworth won the 2021 Amex-Istanbul Challenger II and achieved a career high singles ranking of World No. 65 on 20 September 2021.^[31]

Duckworth also reached his first ATP final at the Astana Open after beating Mikhail Kukushkin, 4th seed Filip Krajinović, 5th seed and defending champion John Millman and 8th seed Ilya Ivashka. He lost to Kwon Soon-woo in straight sets after holding 3 set points, leading 6–3 in the first set tie-break. As a result, he reached a career-high of World No. 56 on 27 September 2021.^[32] At the 2021 Rolex Paris Masters he reached the quarterfinals of a Masters 1000 for the first time having never passed beyond the third round at this level. He defeated 14th seed Roberto Bautista Agut, his third top-20 win for the season and in his career,^[33] Lorenzo Musetti and fellow Australian Alexei Popyrin en route. As a result, he reached the top 50 in the singles rankings at World No. 47 on 8 November for the first time in his career. Duckworth ended 2021 with a ranking of No. 49.

2022–2023: ATP Cup debut, Out of top 100, historic 13th Challenger title

Although he reached the quarterfinals at the 2022 San Diego Open defeating compatriot Alexei Popyrin and Mitchell Krueger, he fell out of the top 100 on 26 September 2022 to No. 109.^[34]

He qualified for his first Masters of 2023 in Shanghai. He won his 13th title at the new 2023 Shenzhen Luohu Challenger making him the Australian singles player with the most titles in ATP Challenger Tour history.^[35]

2024: Australian Open wildcard, back to top 100

Following his good results in the 2023 season, he received a wildcard for his home Slam, the 2024 Australian Open.^[36] He reached the quarterfinals of his home warm-up AO tournament at the 2024 Brisbane International as a qualifier and returned to the top 100 on 8 January 2024.^[37]

Singles

Current through the 2024 Miami Open.

Doubles

Singles: 1 (1 runner-up)

More information Result, Date ...

Result	Date	Tournament	Tier	Surface	Opponent	Score
Loss	Sep 2021	Astana Open, Kazakhstan	250 Series	Hard (i)	Kwon Soon-woo	6–7(6–8), 3–6

Close

Doubles: 1 (1 runner-up)

More information Result, Date ...

Result	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	Jan 2016	Brisbane International, Australia	250 Series	Hard	Chris Guccione	Henri Kontinen John Peers	6–7(4–7), 1–6

Close

Singles: 37 (21 titles, 16 runner-ups)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	May 2011	Poland F1, Kraków	Futures	Clay	Grzegorz Panfil	6–3, 6–4
Loss	1–1	May 2011	Poland F2, Katowice	Futures	Clay	Marcin Gawron	4–6, 2–6
Win	2–1	Jun 2011	Poland F4, Bytom	Futures	Clay	Peter Torebko	6–3, 3–6, 6–4
Loss	2–2	Jul 2011	Italy F16, Bologna	Futures	Clay	Daniele Giorgini	6–7(4–7), 6–7(3–7)
Win	3–2	Jul 2011	Italy F17, Sassuolo	Futures	Clay	Thomas Fabbiano	6–1, 6–2
Win	4–2	Aug 2011	Italy F23, Este	Futures	Clay	Daniele Giorgini	6–2, 6–3
Loss	4–3	Feb 2013	Australia F1, Melbourne	Futures	Hard	Stéphane Robert	6–7(3–7), 3–6
Win	5–3	Mar 2013	Australia F5, Bundaberg	Futures	Clay	Jason Kubler	7–6(11–9), 6–2
Win	6–3	May 2013	Chile F3, Santiago	Futures	Clay	Cristian Garín	6–1, 6–3
Loss	6–4	Jul 2013	Lexington, USA	Challenger	Hard	James Ward	6–4, 3–6, 4–6
Loss	6–5	Apr 2014	Santiago, Chile	Challenger	Clay	Thiemo de Bakker	6–4, 6–7(10–12), 1–6
Win	7–5	Jul 2014	Lexington, USA	Challenger	Hard	James Ward	6–3, 6–4
Win	8–5	Nov 2014	Charlottesville, USA	Challenger	Hard (i)	Liam Broady	5–7, 6–3, 6–2
Loss	8–6	Feb 2015	Kolkata, India	Challenger	Hard	Radu Albot	6–7(0–7), 1–6
Win	9–6	May 2016	China F6, Wuhan	Futures	Hard	Yusuke Takahashi	6–3, 6–2
Win	10–6	May 2016	Bangkok, Thailand	Challenger	Hard	Sam Barry	7–6(7–5), 6–4
Win	11–6	Nov 2016	Canberra, Australia	Challenger	Hard	Marc Polmans	7–5, 6–3
Loss	11–7	Nov 2016	Kobe, Japan	Challenger	Hard (i)	Chung Hyeon	4–6, 6–7(2–7)
Win	12–7	Nov 2016	Toyota, Japan	Challenger	Carpet (i)	Tatsuma Ito	7–5, 4–6, 6–1
Loss	12–8	Jun 2018	Turkey F22, Antalya	Futures	Clay	Thomas Statzberger	3–6, 0–1 ret.
Win	13–8	Sep 2018	Cary, USA	Challenger	Hard	Reilly Opelka	7–6(7–4), 6–3
Win	14–8	Feb 2019	Bangkok, Thailand	Challenger	Hard	Alejandro Davidovich Fokina	6–4, 6–3
Loss	14–9	Aug 2019	Yokkaichi, Japan	Challenger	Hard	Yūichi Sugita	6–3, 3–6, 6–7(1–7)
Win	15–9	Aug 2019	Baotou, China	Challenger	Clay (i)	Sasikumar Mukund	6–4, 6–3
Loss	15–10	Oct 2019	Las Vegas, USA	Challenger	Hard	Vasek Pospisil	5–7, 7–6(13–11), 3–6
Win	16–10	Nov 2019	Playford, Australia	Challenger	Hard	Yasutaka Uchiyama	7–6(7–2), 6–4
Win	17–10	Nov 2019	Pune, India	Challenger	Hard	Jay Clarke	4–6, 6–4, 6–4
Win	18–10	Feb 2020	Bangalore, India	Challenger	Hard	Benjamin Bonzi	6–4, 6–4
Win	19–10	Sep 2021	Istanbul, Turkey	Challenger	Hard	Wu Tung-lin	6–4, 6–2
Loss	19–11	Sep 2022	Cassis, France	Challenger	Hard	Hugo Grenier	5–7, 4–6
Loss	19–12	Feb 2023	Burnie, Australia	Challenger	Hard	Rinky Hijikata	3–6, 3–6
Loss	19–13	Feb 2023	Bangalore, India	Challenger	Hard	Max Purcell	6–3, 5–7, 6–7(5–7)
Loss	19–14	Apr 2023	Cuernavaca, Mexico	Challenger	Hard	Thiago Agustín Tirante	5–7, 0–6
Win	20–14	Oct 2023	Shenzhen, China	Challenger	Hard	Coleman Wong	6–0, 6–1
Win	21–14	Oct 2023	Playford, Australia	Challenger	Hard	Coleman Wong	7–5, 7–5
Loss	21–15	Nov 2023	Drummondville, Canada	Challenger	Hard (i)	Zizou Bergs	4–6, 5–7
Loss	21–16	Apr 2024	Shenzhen, China	Challenger	Hard	Lloyd Harris	3–6, 3–6

Close

Doubles: 3 (1 title, 2 runner-ups)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Feb 2013	West Lakes, Australia	Challenger	Hard	Greg Jones	Sam Groth Matt Reid	2–6, 4–6
Win	1–1	Apr 2013	Itajaí, Brazil	Challenger	Clay	Pierre-Hugues Herbert	Guilherme Clezar Fabrício Neis	7–5, 6–2
Loss	1–2	Feb 2015	Kolkata, India	Challenger	Hard	Luke Saville	Jeevan Nedunchezhiyan Somdev Devvarman	walkover

Close