Stadium: Court 9 Round: 25 Ground: Hardcourt indoor
| Challenger Yokohama | 2017/03/03 01:00 | Tatsuma Ito v Go Soeda | 6-4,6-1 |
| ATP Washington | 2021/07/31 19:05 | Tatsuma Ito v Sebastian Ofner | 6-7,2-6 |
| Challenger Lexington | 2021/07/26 22:30 | Tatsuma Ito v Maxime Cressy | 6-4,3-6,4-6 |
| Challenger Cary | 2021/07/20 15:00 | Sam Riffice v Tatsuma Ito | 6-7,6-4,7-5 |
| Challenger Porto | 2021/07/02 10:00 | Altug Celikbilek v Tatsuma Ito | 7-5,6-3 |
| Challenger Porto | 2021/06/29 10:00 | Tatsuma Ito v Luis Faria | 6-0,6-2 |
| Wimbledon | 2021/06/23 13:45 | Tatsuma Ito v Jason Jung | 2-6,1-6 |
| Wimbledon | 2021/06/22 11:35 | Elias Ymer v Tatsuma Ito | 3-6,4-6 |
| ATP Halle | 2021/06/12 09:00 | Ilya Ivashka v Tatsuma Ito | 6-1,6-3 |
| 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 |
| ATP Atlanta | 2021/07/24 19:40 | Matthew Ebden v Go Soeda | 6-3,7-6 |
| Challenger Porto | 2021/06/28 14:50 | Sergiy Stakhovsky v Go Soeda | 2-6,6-2,7-6 |
| Wimbledon | 2021/06/22 14:50 | Sergiy Stakhovsky v Go Soeda | 6-3,7-6 |
| Challenger Nottingham | 2021/06/14 13:45 | Richard Gasquet v Go Soeda | 6-4,6-2 |
| French Open | 2021/05/24 11:35 | Bjorn Fratangelo v Go Soeda | 6-2,6-3 |
| ATP Lyon | 2021/05/16 08:00 | Go Soeda v Antoine Hoang | 1-6,1-6 |