- Tournament: N/A
- Round: N/A
- Opponent: N/A
- DOB: 1998-04-12
- Birthplace: Japan
- Height: 71.0 cm
- Weight: 139.0 kg
- Plays: R
- Current World Rank: 137
- Hard: 6-12
- Clay: 3-3
- Grass: 2-2
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Australian Open | Jan 15, 2024 | 4-6, 7-5, 6-3, 6-4 | First Round | Miomir Kecmanovic | Yosuke Watanuki |
| Moselle Open | Nov 6, 2023 | 6-4, 1-6, 6-4 | First Round | Harold Mayot | Yosuke Watanuki |
| Kinoshita Group Japan Open Tennis Championships | Oct 17, 2023 | 7-6 (8-6), 6-3 | First Round | Casper Ruud | Yosuke Watanuki |
| Rolex Shanghai Masters | Oct 7, 2023 | 7-6 (7-2), 6-7 (6-8), 6-4 | Second Round | Taylor Fritz | Yosuke Watanuki |
| Rolex Shanghai Masters | Oct 5, 2023 | 7-6 (9-7), 4-6, 6-4 | First Round | Yosuke Watanuki | Juncheng Shang |
| US Open | Aug 28, 2023 | 7-5, 6-7 (3-7), 6-3, 7-5 | First Round | Adrian Mannarino | Yosuke Watanuki |
| Mubadala Citi DC Open | Aug 3, 2023 | 6-0, 6-2 | Third Round | Ugo Humbert | Yosuke Watanuki |
| Mubadala Citi DC Open | Aug 2, 2023 | 7-6 (12-10), 7-6 (7-3) | Second Round | Yosuke Watanuki | Felix Auger-Aliassime |
| Mubadala Citi DC Open | Jul 31, 2023 | 4-1 | First Round | Yosuke Watanuki | Yibing Wu |
| Wimbledon | Jul 7, 2023 | 6-4, 5-7, 6-2, 6-2 | Second Round | Alexander Zverev | Yosuke Watanuki |
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Mutua Madrid Open | Apr 29, 2023 | 6-4, 7-6 (7-5) | Second Round | Cameron Norrie | Yosuke Watanuki |
| Mutua Madrid Open | Apr 27, 2023 | 6-3, 6-3 | First Round | Yosuke Watanuki | Corentin Moutet |
