History of Gabriel Diallo in Timeline

Gabriel Diallo is a Canadian professional tennis player who has achieved a career-high ATP singles ranking of No. 33 on August 18, 2025. He also holds a doubles ranking of No. 321, attained on January 8, 2024. Currently, he is ranked as the No. 3 singles player in Canada.

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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: Finished the year at career-high ranking

On November 21, 2022, Gabriel Diallo finished the year at a career-high ranking of No. 224, reflecting his progress and success on the Challenger Tour.

May 2023: Top 150 Debut in ATP Rankings

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

August 2023: First ATP Tour Match Win and Doubles Title

In August 2023, Gabriel Diallo won his first ATP Tour match at the National Bank Open in Toronto, defeating Dan Evans. Later that month, he won the doubles title at the Winnipeg Challenger partnering with Leandro Riedi.

September 2023: Davis Cup Finals Victory Over Lorenzo Musetti

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

October 2023: Second Challenger Title and Top 130 Ranking

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

January 2024: Achieved Career-High Doubles Ranking

On January 8, 2024, Gabriel Diallo achieved a doubles ranking of No. 321, marking a milestone in his professional tennis career.

May 2024: Qualified for First Grand Slam at French Open

In May 2024, Gabriel Diallo qualified for his first Grand Slam at the French Open, defeating Argentinians Genaro Alberto Olivieri and Marco Trungelliti, and Alexander Ritschard in the qualifying rounds. He then lost to Kei Nishikori in the first round of the main draw.

August 2024: US Open Debut and Qualification

In August 2024, ranked No. 144, Gabriel Diallo qualified for the main draw of the US Open, making his debut with wins over Sho Shimabukuro, Titouan Droguet and Valentin Royer.

September 2024: Career-High Ranking after US Open Success

On September 9, 2024, Gabriel Diallo moved up to a new career-high of world No. 103 in the rankings, following his performance at the US Open where he reached the third round.

October 2024: Maiden ATP Tour Final and Top 100 Ranking

In October 2024, Gabriel Diallo reached his maiden ATP Tour final at the Almaty Open, and on October 21, 2024, as a result, he reached the top 100 in the rankings at world No. 87.

May 2025: Top 60 Ranking after Mutua Madrid Open Quarterfinals

On May 5, 2025, Gabriel Diallo reached the top 60 in the rankings after making his debut at the clay Masters 1000, the Mutua Madrid Open, and recording his first Masters wins on clay to reach the quarterfinals.

June 2025: First ATP Title and Top 50 Ranking at Libéma Open

In June 2025, Gabriel Diallo won his maiden ATP title at the 2025 Libéma Open, making him the seventh first-time ATP Tour champion for 2025. As a result, he reached the top 50 at world No. 44 in the singles rankings on June 16, 2025.

July 2025: Reached Top 35 Singles Ranking

On July 21, 2025, Gabriel Diallo reached the top 35 in the singles rankings, marking another milestone in his career progression.

August 2025: Achieved Career-High ATP Ranking

In August 2025, Gabriel Diallo achieved a career-high ATP singles ranking of world No. 33, marking a significant milestone in his professional tennis career.