2002–03

The first game was in the season against Al-Jazira, which he also scored his first in the match. This goal was the equalizer for Al-Wahda in the second half, but the joy did not last, Al-Jazira made the second goal and the winning goal latter. Matar continued his brilliant presence in that season and scored 14 goals, as he was named the Best Emarati Young Player in the UAE League and led Al-Wahda to the UAE Pro-League and the President's Cup titles. He was the only player in that season that has been scored in the Goal of Muhsin Musabah five goals including two goals in the first round and two in the second round and a goal in the cup final from penalty shot out.

2003–04

The Golden Boy did not shine strongly because of his involvement with the national team and the UAE Olympic and UAE Under-20, and he is the only Emirati player who participated in four games with the Al-Wahda and the national team and UAE Under-20 and UAE Olympic and distributed his effort in the four teams, which could not shine with Al-Wahda and he scored three goals with Al-Wahda, the club was ranked sixth in the league, and began the fatigue and exhaustion on Ismail making the press pounce on the United Arab Emirates Football Association to merciless the player from involved with the four national teams. But his effort did not go waste with the UAE Under-20, who was playing in the FIFA World Youth Championship 2003 in the UAE, but he achieved with the UAE Under-20 eighth place, and was the best player in the tournament, which was nominated for the best player and has achieved what he wanted. And has many offers from European clubs including the Chelsea reserve and Inter Milan and Asian Clubs including Japan clubs and Qatari Club Al-Sadd.

2004–05

Ismail was shown a good form for Al-Wahda at 2004–05 season and scored 11 goals including doubles against Al-Nasr, Al Jazira and Al-Shabab and a winning goal against Al Ain. He was most prominent in the ranks of Al-Wahda players, help the club to win the league title and finished as runners-up in the Domestic Cup. Al-Wahda had the strongest line of attack in that season, and Matar was playmaker of heavy caliber, which he was nominated for the Best Emarati Player. Ismail was more vigor and vitality and strength and fitness and determination to win and was serious player at the same time at the season. In match against Sharjah in the quarter-finals of the President's Cup, he scored hat-trick with the club and ascended to the semi-final.

2009–10

On 11 June 2009, rumors spread that Al-Wahda has received an offer of amount 50 million dirham from the arch-rivals Al Ain,^[5] and offers from other Arabic clubs specifically from Saudi clubs Al-Hilal and Al-Ittihad for Ismail, but Al-Wahda denied the rumors and extended Ismail's contract until 2014. To be the seventh player to extend his contract for five years, in an interview with club's website, Ismail has said that he had received offers from Saudi clubs and has offers from other clubs too but he rejected all because he loves the club that help him to improve.^[6]

On 28 September 2009, during Al-Wahda's 3–1 win against Al-Ahli, Ismail assisted Fernando Baiano. On 4 October 2009, Al-Wahda defeated Ajman 5–1 which Ismail scored one goal and assisted Fernando Baiano again. On 10 October 2009, Ismail injured in UAE's friendly match against Palestine, and was out for almost five weeks. On 24 November 2009, Ismail returned from injury^[7] and play against Baniyas in the UAE President's Cup and played in the last minutes.^[8]

On 1 December 2009, in week 7 of the season in match against Al Ain which known as UAE's El classico, he replaced Fahad Masoud in the 64th minutes., he had a chance in the last minutes but he did not succeed in the elusive and Waleed Salim which beyond ball. The match was ended 1–0 in favor of Al-Wahda. On 17 December 2009, Ismail named as The Most Popular Arab Player, commented Ismail, when received the award "This award is dear to his heart of pride and honor him, because the love of the fans and a badge on his chest and thanked everyone who voted him".^[9] On 20 December 2009, he played a key role in the match against Baniyas after scoring in 32 minutes, and was substituted on 79th minutes. The match ended 1–0 for Al-Wahda. Ismail had received invasion from Al-Ittihad to participate in the ceremony to retire star Hamzah Idris against Juventus on 30 December 2009.^[10][11][12]

AFC Champions League

On 30 January 2010 during AFC Champions League qualifying play-off, he played against Al-Karamah. He assisted Mahmoud Khamees to score the only goal in the match in the 72nd minute. Seven days later, on 6 February 2010, he scored against Churchill Brothers SC in the 85th minute and assisted twice, one for Fernando Baiano in the 45th minute and again to Abdulrahim Jumaa in the 63rd minute. The win helped Al Wahda qualify for the group stage of the tournament. He played 13 matches against Saudi clubs in the Asian Champions League, during which he won twice over Al-Ittihad and Al-Ahly, and drew 6 times, compared to losing on 5 occasions, while scoring 3 goals during those confrontations. Ittihad Jeddah is considered the most team that Ismail Matar faced in the AFC Champions League with 5 matches starting from the 2010 version, as it lost 2-0 to it, 4-0 in that version, and in the subsequent version it lost 3-0 and tied it 0-0, before He achieved his first victory in the 2019 edition 4-1, when Ismail scored a goal in that match. Matar played 3 matches against Al-Ahly Jeddah, winning 2-1 in the 2008 edition and drawing 0-0 in the other match, without shaking the net. While he played against Al-Hilal twice in the 2007 edition, he tied in the first without goals and scored a goal in the second, which ended 1-1 and qualified Al-Wahda advanced to the next round, and tied a third 2-2 in a match that brought them together in the 2017 edition. Ismail played against Al-Nasr in the final price of the 2019 edition, losing in one and drawing in the other, to bid his team farewell to the championship from that round and the 2021 quarter-finals, and scored his team's only goal despite the exclusion.

2010–11

On 19 February 2011, Matar scored his first hat-trick of the season in a 5–3 loss against Ittihad Kalba, he overtook Mohamed Salem as Al Wahda's all-time greatest scorer in the Pro-League. In 2016, Matar has been rumoured to join Selangor FC in Malaysian Super league.