Stadium: Court 9 Round: 25 Ground: Hardcourt indoor
| Challenger Yokohama | 2017/03/03 01:00 | Tatsuma Ito v Go Soeda | 6-4,6-1 |
| Challenger Las Vegas | 2021/10/28 18:00 | Tatsuma Ito v Taro Daniel | 2-6,1-6 |
| Challenger Las Vegas | 2021/10/26 22:05 | Donald Young v Tatsuma Ito | 4-6,4-6 |
| Challenger Istanbul | 2021/09/14 07:00 | Tatsuma Ito v Tung-Lin Wu | 3-6,2-6 |
| Challenger Cassis | 2021/09/08 13:30 | Tatsuma Ito v Kacper Zuk | 5-7,3-6 |
| Challenger Cassis | 2021/09/06 12:00 | Arthur Fils v Tatsuma Ito | 6-7,7-5,1-6 |
| Challenger Mallorca | 2021/09/01 14:00 | Michael Geerts v Tatsuma Ito | 4-6,6-2,6-1 |
| US Open | 2021/08/25 19:45 | Tatsuma Ito v Liam Broady | 4-6,1-6 |
| ATP Washington | 2021/07/31 19:05 | Tatsuma Ito v Sebastian Ofner | 6-7,2-6 |
| Challenger Biel | 2021/09/22 15:40 | Alexander Shevchenko v Go Soeda | 7-6,6-4 |
| Challenger Rennes | 2021/09/13 12:50 | Go Soeda v Tristan Lamasine | 6-7,4-6 |
| Challenger Cassis | 2021/09/07 08:00 | Hugo Grenier v Go Soeda | 6-4,6-7,6-1 |
| Challenger Saint-Tropez | 2021/08/31 08:30 | Dragos Nicolae Madaras v Go Soeda | 2-6,6-4,6-3 |
| US Open | 2021/08/26 20:50 | Go Soeda v Antoine Hoang | 6-7,5-7 |
| US Open | 2021/08/25 19:35 | Go Soeda v Yannick Maden | 1-6,6-4,6-4 |
| ATP Washington | 2021/08/01 19:30 | Prajnesh Gunneswaran v Go Soeda | 6-3,6-1 |
| ATP Washington | 2021/07/31 16:00 | Go Soeda v Jason Jung | 6-4,6-7,6-4 |