Gabriel Diallo (born 24 September 2001) is a Canadian professional tennis player. He has a career-high ATP singles ranking of world No. 87, achieved on 21 October 2024 and a doubles ranking of No. 321 achieved on 8 January 2024.
In August, he made his ATP debut in the qualifying competition as a wildcard at the 2022 National Bank Open in Montreal where he defeated James Duckworth in the first round.[5]
Participating in a tournament also with a wildcard entry, Diallo won 5 consecutive matches to claim his maiden title at the 2022 Granby Challenger in only his fourth main-draw Challenger-level tournament. The 20-year-old was the youngest Canadian champion on the Challenger Tour since Félix Auger-Aliassime won the Tashkent Challenger in 2018. As a result, he rose to a career-high No. 335 in the ATP rankings.
[6]
He finished the year at a career-high ranking of No. 224 on 21 November 2022.[7]
2023–2024: Masters & Major debuts & third round, top 100, Maiden ATP final
After reaching the semifinals at the Challenger in Busan, South Korea where he lost to top seed Max Purcell, he made his top 150 debut at world No. 146 on 22 May 2023. He defeated Liam Broady and top seed Dan Evans of Great Britain at the 2023 Surbiton Trophy.[8]
At the Davis Cup Finals group stage, Diallo recorded a shock upset victory over world No. 18 Lorenzo Musetti, winning in straight sets to give Canada the victory over Italy.[10]
He won his second Challenger title at the 2023 Slovak Open and reached the top 130 on 16 October 2023.[7]
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.