Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/05/26 12:05 | Taisei Ichikawa v Maxence Beauge | 3-6,6-7 |
| ITF M15 Monastir | 2021/05/19 10:35 | Taisei Ichikawa v Antoine Bellier | 5-7,0-6 |
| ITF M15 Monastir | 2021/05/17 12:30 | Taisei Ichikawa v Constantin Bittoun Kouzmine | 7-6,3-6,9-11 |
| ITF M15 Monastir | 2021/05/17 08:00 | Taisei Ichikawa v Esteban Bruna | 6-1,6-3 |
| ITF M15 Monastir | 2021/05/10 13:30 | Taisei Ichikawa v Yuta Kikuchi | 3-6,6-4,8-10 |
| ITF M15 Monastir | 2021/05/10 09:00 | Taisei Ichikawa v Lorenzo Ferri | 6-0,6-3 |
| ITF M15 Monastir | 2021/05/09 11:00 | Taisei Ichikawa v Niklas Waldner | 6-1,6-0 |
| ITF M15 Sharm El Sheikh | 2021/02/07 09:30 | Ken Onishi v Taisei Ichikawa | 3-6,6-2,12-10 |
| ITF M15 Monastir | 2021/03/11 08:30 | Kai Wehnelt v Ryota Tanuma | 6-1,6-4 |
| ITF M15 Monastir | 2021/03/10 09:30 | Anis Ghorbel v Ryota Tanuma | 4-6,6-4,0-6 |
| ITF M15 Monastir | 2021/03/02 08:30 | Ryota Tanuma v Juan Bautista Torres | 6-3,4-6,2-6 |
| ITF M15 Monastir | 2021/02/23 11:10 | Alexander Erler v Ryota Tanuma | 6-4,6-4 |
| ITF M15 Monastir | 2021/02/16 08:00 | Ryota Tanuma v Lilian Marmousez | 4-6,2-6 |
| ITF M15 Monastir | 2021/02/10 10:45 | Ryota Tanuma v Moez Echargui | 6-7,6-7 |
| ITF M15 Monastir | 2021/02/08 09:30 | Ryota Tanuma v Louis Herman | 6-3,6-4 |
| ITF M15 Monastir | 2021/02/07 12:30 | Ryota Tanuma v Daiki Yoshimura | 6-4,6-3 |