Results

US Open 08/29 00:40 24 [112] Shintaro Mochizuki v Alex De Minaur [8] 2-6,4-6,2-6
US Open 08/26 19:30 23 [125] Hugo Gaston v Shintaro Mochizuki [112] 4-6,3-6,4-6
US Open 08/22 18:05 19 [112] Shintaro Mochizuki v Daniel Elahi Galan [132] 6-4,6-4
US Open 08/21 20:05 15 [112] Shintaro Mochizuki v Roman Andres Burruchaga [144] 6-4,1-6,6-4
US Open 08/19 15:00 14 [112] Shintaro Mochizuki v Jurij Rodionov [154] 6-2,4-6,6-2
Challenger Sumter 08/16 17:30 28 [120] Shintaro Mochizuki v Alexander Shevchenko [102] 6-4,1-6,1-6
Challenger Sumter 08/15 19:55 27 [120] Shintaro Mochizuki v Filip Misolic [96] 6-4,4-6,6-4
Challenger Sumter 08/14 21:20 26 [120] Shintaro Mochizuki v Karl Poling [435] 6-3,6-0
Challenger Sumter 08/12 18:40 25 [120] Shintaro Mochizuki v Matt Frost [311] 7-5,7-6
ATP Cincinnati 08/06 15:00 15 [168] Coleman Wong v Shintaro Mochizuki [122] 7-6,6-3
ATP Cincinnati 08/05 17:35 14 Facundo Bagnis v Shintaro Mochizuki 6-3,3-6,4-6
ATP Toronto 07/27 20:00 23 [123] Shintaro Mochizuki v Giovanni Mpetshi Perricard [45] 4-6,2-6

Wikipedia - Shintaro Mochizuki

Shintaro Mochizuki (Japanese: 望月 慎太郎, Mochizuki Shintarō, born 2 June 2003) is a Japanese professional tennis player. He has an ATP career-high singles ranking of world No. 120 on 4 August 2025 and a doubles ranking of No. 371 achieved on 18 October 2021. He is currently the No. 2 Japanese player. Mochizuki became the first Japanese male player in history to win a Grand Slam boys’ singles title at the 2019 Wimbledon Championships. As a teen, Mochizuki achieved a career-high ITF junior combined ranking of No. 1 on 15 July 2019.

History

2019: Juniors

In 2019 Mochizuki won the Wimbledon title after becoming the first Japanese male to reach a Grand Slam juniors singles final. In September that year, he led the Japanese team to win the Junior Davis Cup in Orlando, Florida.

2021: ATP and Masters debuts

In February, Mochizuki made his ATP main draw debut as a wildcard at the 2021 Singapore Tennis Open where he lost to Altug Celikbilek in straight sets.

In March, he qualified for his first ATP Masters 1000 main draw at the 2021 Miami Open having been given a wildcard for the qualifying competition.

2023: Maiden Challenger, Major debut, ATP wins & semifinal, top 150

He won his first-ever trophy as a professional by winning the Open Città della Disfida Challenger in Barletta, Italy, defeating the Argentine Santiago Rodriguez Taverna in straight sets.

He reached the top 200 at world No. 198 on 12 June 2023. In July, he made his Grand Slam debut after qualifying for the main draw of the 2023 Wimbledon Championships, but lost in the first round to 16th seed Tommy Paul in straight sets. At the 2023 Hall of Fame Open he lost to Liam Broady also in the first round.

Ranked No. 215, he received a wildcard for the ATP 500 Japan Open. After nine attempts, he finally won his first match at the ATP Tour level, beating Tomás Martín Etcheverry in straight sets. Next he defeated top seed Taylor Fritz for his first top-10 win, to reach his first ATP tour-level quarterfinal. In the quarterfinals, he defeated Alexei Popyrin to reach his first-ever semifinal. He became the lowest-ranked Tokyo semifinalist since then-World No. 479 Kelly Jones in 1986. As a result, he moved up more than 80 positions to World No. 131 in the rankings on 23 October 2023. Following a quarterfinal showing at the Sydney Challenger he reached the top 130 in the rankings and 13th in the 2023 Next Generation ATP Finals race.

2024-2025: First Major win and top 125 debut

He made his debut in the main draw at the 2024 Australian Open as a lucky loser, but lost to Tomáš Macháč in straight sets. He also qualified for the main draw at the 2024 French Open.

In January 2025, Mochizuki won his second Challenger at the 2025 Open Nouvelle-Calédonie title defeating Moerani Bouzige in straight sets. In June, Mochizuki reached the semifinals at the Lexus Ilkley Open and the final of the 2025 Nottingham Open. Following these good results in grass he qualified for the main draw at the 2025 Wimbledon Championships for the second time, and recorded his first main draw Grand Slam win over fellow qualifier Giulio Zeppieri in a five sets match, over two days.