ITF - M15 Cancún | 03/10 14:00 | 25 | [479] Shintaro Mochizuki v Julian Bradley [346] | 6-0,3-6,7-6 | |
Challenger Monterrey | 03/03 18:55 | 25 | [476] Shintaro Mochizuki v Ricardas Berankis [72] | 5-7,4-6 | |
Challenger Monterrey | 03/02 21:45 | 24 | Shintaro Mochizuki v Juan A Hernandez | 6-3,4-6,6-2 | |
Challenger Morelos | 02/18 00:00 | 24 | Gerardo L Villasenor v Shintaro Mochizuki | 6-3,6-3 | |
ITF - M15 Cancún | 02/04 18:50 | 25 | Mauricio Echazu v Shintaro Mochizuki | 6-2,6-2 | |
ITF - M15 Cancún | 01/30 14:30 | 26 | Shintaro Mochizuki v Connor Farren | 5-7,7-5,3-6 | |
ITF - M15 Cancún | 01/29 14:00 | 25 | Spencer Papa v Shintaro Mochizuki | 4-6,4-6 | |
ITF - M15 Cancún | 01/23 15:25 | 26 | Mateus Alves v Shintaro Mochizuki | 6-2,6-4 | |
ITF - M15 Cancún | 01/22 14:00 | 25 | Tanner K Smith v Shintaro Mochizuki | 1-6,1-6 | |
ITF - M15 Cancún | 12/14 14:00 | 28 | Shintaro Mochizuki v Nick Chappell | 4-6,6-4,6-7 | |
ITF - M15 Cancún | 12/13 15:00 | 27 | Shintaro Mochizuki v Reese Stalder | Retired | |
ITF - M15 Cancún | 12/12 15:00 | 26 | Gage Brymer v Shintaro Mochizuki | 6-2,5-7,4-6 | |
ITF - M15 Cancún | 12/11 17:30 | 25 | Luis Patino v Shintaro Mochizuki | 3-6,2-6 | |
ITF - M15 Cancún | 12/07 14:00 | 28 | Shintaro Mochizuki v Jorge Panta | 2-6,3-6 | |
ITF - M15 Cancún | 12/06 15:00 | 27 | David Volfson v Shintaro Mochizuki | Retired | |
ITF - M15 Cancún | 12/05 16:25 | 26 | Dan Martin v Shintaro Mochizuki | 4-6,4-6 | |
ITF - M15 Cancún | 12/03 14:00 | 25 | Shintaro Mochizuki v Christian Langmo | 6-4,6-1 | |
ITF M15 Čchangwon | 10/18 01:00 | 27 | Shintaro Mochizuki v Naoki Nakagawa | 3-6,7-6,4-6 | |
ITF M15 Čchangwon | 10/17 01:00 | 26 | Shintaro Mochizuki v Seong-Gook Oh | 6-2,6-3 | |
ITF M15 Čchangwon | 10/16 05:40 | 25 | Ryota Tanuma v Shintaro Mochizuki | 3-6,1-6 | |
ITF M25 Tay Ninh | 10/10 02:00 | 26 | Yan Bai v Shintaro Mochizuki | 6-2,6-2 | |
ITF M25 Tay Ninh | 10/09 03:30 | 25 | Shintaro Mochizuki v Dac Tien Nguyen | 6-3,6-1 | |
ITF - M15 Cancún | 08/24 20:20 | 28 | Thiago Agustin Tirante v Shintaro Mochizuki | 7-6,6-4 | |
ITF - M15 Cancún | 08/24 15:00 | 26 | Shintaro Mochizuki v Adam El Mihdawy | Walkover | |
ITF - M15 Cancún | 08/23 15:25 | 27 | Ricardo Rodriguez v Shintaro Mochizuki | 3-6,4-6 | |
ITF - M15 Cancún | 08/20 14:00 | 25 | Rowland Phillips v Shintaro Mochizuki | 6-4,4-6,6-7 | |
ITF - M15 Cancún | 08/15 14:00 | 26 | Shintaro Mochizuki v Ricardo Rodriguez | 6-2,5-7,2-6 | |
ITF - M15 Cancún | 08/14 19:05 | 25 | Shintaro Mochizuki v Jack Gibbens | 6-2,6-2 | |
ITF - M15 Cancún | 03/26 16:40 | 25 | Shintaro Mochizuki v Jordi Arconada | 6-7,3-6 | |
ITF - M15 Cancún | 03/20 16:10 | 25 | Shintaro Mochizuki v Gerardo L Villasenor | 3-6,2-6 |
Shintaro Mochizuki (Japanese: 望月 慎太郎, Mochizuki Shintaro, born 2 June 2003) is a Japanese professional tennis player.
He has an ATP career-high singles ranking of world No. 129 achieved on 6 November 2023.
Mochizuki has a career-high ITF junior combined ranking of No. 1 achieved on 15 July 2019.
Mochizuki won the 2019 Wimbledon Championships – Boys' singles 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.
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.
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.
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.