History of Gabriel Diallo in Timeline

Gabriel Diallo is a Canadian professional tennis player. He reached a career-high ATP singles ranking of No. 41 on June 23, 2025, and a doubles ranking of No. 321 on January 8, 2024. He is currently the No. 3 ranked Canadian player. Diallo secured his first ATP title at the 2025 Libéma Open.

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Full Timeline

September 24, 2001: Gabriel Diallo's Birth

On September 24, 2001, Gabriel Diallo was born. He is a Canadian professional tennis player.

Others born on this day/year

2018: Félix Auger-Aliassime won the Tashkent Challenger

In 2018, Félix Auger-Aliassime won the Tashkent Challenger.

November 2022: Career-High Ranking

In November 2022, Gabriel Diallo finished the year at a career-high ranking of No. 224.

May 2023: Top 150 Debut

On May 22, 2023, after reaching the semifinals at the Challenger in Busan, South Korea, Gabriel Diallo made his top 150 debut in the ATP rankings.

August 2023: First ATP Tour Match Win and Doubles Title

In August 2023, Gabriel Diallo won his first ATP Tour match and first at the Masters 1000 level at the National Bank Open in Toronto and later that month, Diallo won the doubles title at the Winnipeg Challenger, partnering Leandro Riedi.

September 2023: Davis Cup Victory

In September 2023, at the Davis Cup Finals group stage, Gabriel Diallo recorded an upset victory over world No. 18 Lorenzo Musetti, winning in straight sets to give Canada the victory over Italy.

October 2023: Top 130 Ranking

On 16 October 2023, Gabriel Diallo reached the top 130 in the ATP rankings after winning his second Challenger title at the Slovak Open.

January 2024: ATP Doubles Ranking

In January 2024, Gabriel Diallo achieved a doubles ranking of No. 321.

May 2024: First Grand Slam Qualification

In May 2024, Gabriel Diallo qualified for his first Grand Slam at the French Open.

August 2024: US Open Debut

In August 2024, Gabriel Diallo qualified for the main draw of the US Open, making his debut.

September 2024: Career-High Ranking at US Open

On 9 September 2024, after reaching the third round of the US Open, Gabriel Diallo moved up 40 spots to a new career-high of world No. 103 in the rankings.

October 2024: Maiden ATP Tour Final

In October 2024, Gabriel Diallo reached his maiden ATP Tour final at the Almaty Open, leading to him reaching the top 100 in the rankings on 21 October 2024.

May 2025: Top 60 Ranking and French Open Win

In May 2025, Gabriel Diallo reached the top 60 in the rankings and recorded his first Grand Slam clay win at the French Open.

June 2025: ATP Singles Ranking and Libéma Open Win

In June 2025, Gabriel Diallo achieved a career-high ATP singles ranking of world No. 40 and won his maiden ATP title at the Libéma Open.

June 2025: Libéma Open Win and Top 50 Ranking

In June 2025, Gabriel Diallo won his maiden ATP title at the 2025 Libéma Open and as a result reached the top 50 at world No. 44 in the singles rankings on 16 June 2025.