2015–2019: ATP debut in doubles, first Challenger title

Cachin made his ATP main-draw debut as a wildcard in the doubles competition of the 2015 Argentina Open, partnering Facundo Argüello. They saved a match point and defeated the second-seeded pair of Máximo González and Horacio Zeballos before losing to Carlos Berlocq and Diego Schwartzman in the second round.

Cachin entered his first Grand Slam tournament at the 2015 Wimbledon Championships, but was eliminated by Jimmy Wang 4–6, 6–3, 7–5 in the first round of the qualifying competition.

In September 2015, ranked No. 248, Cachin won his maiden Challenger title at the Copa Sevilla, defeating top seed and world No. 54 Pablo Carreño Busta in the final.

By 2019, Cachin had increased his ranking enough to receive entry into Grand Slam qualifying competitions. Ranked No. 232, he participated in Roland Garros, where he was defeated by wildcard Elliot Benchetrit in the first round.

Cachin then participated in the qualifying competition at Wimbledon, losing in the first round to Tallon Griekspoor.

At the US Open qualifying competition, he lost to Blaž Kavčič in the first round.

2020–2021: Second Challenger title, top 250 debut

In 2020, Cachin won the World Tennis Tour title in Paguera, Spain, beating Matthieu Perchicot in the final.

In 2021, Cachin won the 2021 Open de Oeiras II, beating Nuno Borges in the final for his second Challenger title.

He reached the top 250 at world No. 239 on 29 November 2021.

2022: Major debut & first win, Four Challengers, US Open third round & top 60

In January, Cachin reached the second round of qualifying at the Australian Open, defeating ninth seed Francisco Cerundolo before losing to Marco Trungelliti.

In March, Cachin recorded a win over former World No. 3 and 2020 US Open champion, World No. 50 Dominic Thiem at the Andalucía Challenger in Marbella en route to the final where he lost to Jaume Munar.^[2]

Cachin qualified for the French Open as lucky loser to make his Grand Slam singles main-draw debut. He defeated fellow qualifier Norbert Gombos in the first round before losing to Hugo Gaston in the second round. As a result, he made his top 150 debut in the rankings.

He made his top 100 debut after winning his fifth Challenger title in Todi at World No. 98 on 11 July 2022. He moved to No. 66 on 22 August 2022 after his sixth Challenger title in the Dominican Republic.^[3][2]

At the US Open, Cachin received direct entry in to the main draw and defeated Aljaž Bedene in five sets in a fifth set with a super 10-point tiebreak, becoming the first player to win a match at the US Open under the new tiebreak rule. He then defeated wildcard Brandon Holt again in five sets with a super tiebreak after being two sets down to move onto the third round for the first time at a Major.^[4][2] As a result, he entered the top 60 in the rankings.

In October, he faced Andy Murray in the round of 16 of the Gijón Open losing in the third set tiebreak.^[5]

At the ATP 500 Erste Bank Open in Vienna, he entered the main draw as lucky loser.

Cachin finished the year ranked No. 54.

2023: Masters debut, first wins and fourth round, first ATP title, top 50

Cachin made his Masters debut at the BNP Paribas Open and won his first match at this level over Nikoloz Basilashvili. He also debuted at the Miami Open.

At the Madrid Open, Cachin reached the fourth round of a Masters tournament for the first time. He defeated wildcard Abedallah Shelbayh, 24th seed Francisco Cerúndolo, and ninth seed Frances Tiafoe (his first career victory over a top 20 opponent), ^[6][7] before losing to lucky loser and eventual runner-up Jan-Lennard Struff.^[8]

In July, Cachin won his maiden ATP title in Gstaad, where he defeated Albert Ramos Viñolas in the final in three sets. He did not drop a set until the final and became the fifth first-time champion on the 2023 ATP Tour.^[9][10] He reached the top 50 moving more than 40 positions up to No. 49 on 24 July 2023.^[11]

Singles: 1 (1 title)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Jul 2023	Gstaad, Switzerland	250 series	Clay	Albert Ramos Viñolas	3–6, 6–0, 7–5

Close

Singles: 36 (15–21)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Opponents	Score
Loss	0–1	Aug 2013	Argentina F16, Santiago del Estero	Futures	Clay	Andrés Molteni	1–6, 6–4, 0–6
Loss	0–2	Sep 2013	Argentina F20, Córdoba	Futures	Clay	Nicolás Kicker	3–6, 2–6
Loss	0–3	Feb 2014	Argentina F3, Villa Allende	Futures	Clay	Gabriel Alejandro Hidalgo	1–6, 7–6(7–1), 1–6
Loss	0–4	Mar 2014	Argentina F5, Rosario	Futures	Clay	Juan Pablo Paz	3–6, 4–6
Win	1–4	Jun 2014	Italy F19, Siena	Futures	Clay	Gleb Sakharov	7–6(7–2), 7–5
Win	2–4	Jul 2014	Spain F19, Denia	Futures	Clay	Maverick Banes	6–4, 3–6, 6–4
Loss	2–5	Sep 2014	Spain F28, Sevilla	Futures	Clay	Daniel Masur	5–7, 3–6
Loss	2–6	Sep 2014	Spain F29, Sabadell	Futures	Clay	Roberto Carballés Baena	4–6, 4–6
Loss	2–7	Feb 2015	Spain F2, Paguera	Futures	Clay	Gianluca Naso	4–6, 4–6
Win	3–7	Sep 2015	Sevilla, Spain	Challenger	Clay	Pablo Carreño Busta	7–5, 6–3
Loss	3–8	Jan 2017	Spain F2, Manacor	Futures	Clay	Ricardo Ojeda Lara	4–6, 3–6
Win	4–8	Mar 2017	Spain F7, Jávea	Futures	Clay	Bernabé Zapata Miralles	6–3, 6–3
Win	5–8	Apr 2017	Spain F10, Madrid	Futures	Clay	Ivan Gakhov	6–3, 6–3
Win	6–8	May 2017	Spain F13, Valldoreix	Futures	Clay	Orlando Luz	6–2, 6–1
Loss	6–9	May 2017	Spain F14, Vic	Futures	Clay	Rafael Matos	6–4, 0–6, 0–1 ret.
Loss	6–10	Sep 2017	Spain F29, Sevilla	Futures	Clay	Daniel Muñoz de la Nava	6–7(5–7), 2–6
Loss	6–11	Apr 2018	Portugal F7, Porto	Futures	Clay	Attila Balázs	0–6, 4–6
Loss	6–12	Apr 2018	Spain F9, Madrid	Futures	Clay	Mario Vilella Martínez	4–6, 0–6
Loss	6–13	Apr 2018	Spain F10, Majadahonda	Futures	Clay	Steven Diez	3–6, 6–3, 5–7
Win	7–13	Jul 2018	Spain F18, Getxo	Futures	Clay	Carlos Boluda-Purkiss	6–3, 7–5
Loss	7–14	Nov 2018	Buenos Aires, Argentina	Challenger	Clay	Pablo Andújar	3–6, 1–6
Win	8–14	Feb 2020	M15 Paguera, Spain	World Tennis Tour	Clay	Matthieu Perchicot	6–4, 6–2
Loss	8–15	Feb 2020	M25 Antalya, Turkey	World Tennis Tour	Clay	Duje Ajduković	6–3, 4–6, 6–7(2–7)
Loss	8–16	Mar 2020	M25 Murcia, Spain	World Tennis Tour	Clay	Pablo Llamas Ruiz	4–6, 6–3, 3–6
Win	9–16	Feb 2021	M15 Antalya, Turkey	World Tennis Tour	Clay	Matías Zukas	6–1, 6–4
Win	10–16	Mar 2021	M25 La Nucia, Spain	World Tennis Tour	Clay	Georgii Kravchenko	7–6(7–2), 6–0
Win	11–16	Apr 2021	Open de Oeiras, Portugal	Challenger	Clay	Nuno Borges	7–6(7–4), 7–6(7–3)
Loss	11–17	May 2021	M25, Vic, Spain	World Tennis Tour	Clay	Carlos Gimeno Valero	6–1, 3–6, 4–6
Loss	11–18	Mar 2022	Marbella, Spain	Challenger	Clay	Jaume Munar	2–6, 2–6
Win	12–18	Apr 2022	Madrid, Spain	Challenger	Clay	Marco Trungelliti	6–3, 6–7(3–7), 6–3
Win	13–18	May 2022	Prague, Czech Republic	Challenger	Clay	Lorenzo Giustino	6–3, 7–6(7–4)
Loss	13–19	Jun 2022	Lyon, France	Challenger	Clay	Corentin Moutet	4–6, 4–6
Win	14–19	Jul 2022	Todi, Italy	Challenger	Clay	Nicolás Kicker	6–4, 6–4
Loss	14–20	Jul 2022	Verona, Italy	Challenger	Clay	Francesco Maestrelli	6–3, 3–6, 0–6
Win	15–20	Aug 2022	Santo Domingo, Dominican Republic	Challenger	Clay	Marco Trungelliti	6–4, 2–6, 6–3
Loss	15–21	Apr 2023	Madrid, Spain	Challenger	Clay	Alexander Shevchenko	4–6, 3–6

Close

Doubles: 13 (8–5)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Nov 2013	Chile F9	Futures	Clay	Guillermo Núñez	Nicolás Jarry Simón Navarro	7–5, 6–3
Win	2–0	Jun 2014	Italy F19	Futures	Clay	Pablo Galdón	Gleb Sakharov Alexandre Massa	6–3, 7–6(7–4)
Loss	2–1	Aug 2017	Spain F26	Futures	Clay	Juan Lizariturry	Marc Giner Jaume Pla Malfeito	4–6, 7–6(7–1), [7–10]
Win	3–1	Sep 2017	Seville, Spain	Challenger	Clay	Íñigo Cervantes	Ivan Gakhov David Vega Hernández	6–7(5–7), 6–3, [10–5]
Loss	3–2	Jan 2018	Germany F2	Futures	Carpet	Daniel Masur	Kevin Krawietz Ruan Roelofse	3–6, 3–6
Win	4–2	Apr 2018	Spain F9	Futures	Clay	Patricio Heras	Diego Hidalgo Juan Carlos Sáez	7–6(7–2), 3–6, [10–7]
Win	5–2	Sep 2020	M25 Prague, Czechia	World Tennis Tour	Clay	Sebastián Báez	Lucas Miedler Jan Zieliński	7–6(7–4), 6-1
Win	6–2	Jan 2021	M15 Antalya, Turkey	World Tennis Tour	Clay	Juan Manuel Cerúndolo	Vladyslav Orlov Denis Yevseyev	7–5, 6-2
Win	7–2	Feb 2021	M15 Antalya, Turkey	World Tennis Tour	Clay	Genaro Alberto Olivieri	Nicolás Mejía Pedro Vives Marcos	5–7, 6–1, [14–12]
Loss	7-3	Jun 2021	Forli, Italy	Challenger	Clay	Camilo Ugo Carabelli	Sergio Galdós Orlando Luz	5–7, 6–2, [8–10]
Win	8–3	Jul 2021	Tampere, Finland	Challenger	Clay	Facundo Mena	Orlando Luz Felipe Meligeni Alves	7-5, 6-3
Loss	8-4	Mar 2022	Santiago, Chile	Challenger	Clay	Facundo Mena	Diego Hidalgo Cristian Rodríguez	4-6, 4-6
Loss	8-5	Apr 2022	Murcia, Spain	Challenger	Clay	Martín Cuevas	Íñigo Cervantes Oriol Roca Batalla	7–6(7–4), 6–7(4–7), [7–10]

Close