Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/08/11 07:30 | Taisei Ichikawa v Takuya Kumasaka | 4-6,5-7 |
| ITF - M15 Monastir | 2021/08/10 07:30 | Takuya Kumasaka v Alan F R Fierros | 6-1,6-4 |
| ITF - M15 Monastir | 2021/08/09 07:30 | Takuya Kumasaka v Kodancha Srinivasan | 6-2,6-1 |
| ITF - M15 Monastir | 2021/08/08 07:30 | Mwendwa Mbithi v Takuya Kumasaka | 6-2,6-7,2-10 |
| ITF - M15 Monastir | 2021/08/03 07:30 | Siddhant Banthia v Takuya Kumasaka | 6-3,5-7,13-11 |
| ITF M15 Cairo | 2021/04/18 07:00 | Takuya Kumasaka v Kolisnyk, Olexiy | 2-6,0-6 |
| ITF M15 Cairo | 2021/04/11 11:00 | Emesz, Benedikt v Takuya Kumasaka | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/04/05 11:30 | Adam Jones v Takuya Kumasaka | 4-6,6-1,10-7 |
| ITF - M15 Monastir | 2021/08/11 07:30 | Mousa Alkotop v Makoto Ochi | 3-6,6-1,2-6 |
| ITF - M15 Héraklion | 2021/06/09 06:30 | Makoto Ochi v Musialek, Alexis | 4-6,2-6 |
| ITF - M15 Héraklion | 2021/06/02 06:30 | Makoto Ochi v Billy Harris | 7-6,5-7,0-6 |
| ITF - M15 Sharm El Sheikh | 2021/04/07 08:50 | Johnson, Luke v Makoto Ochi | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/04/02 07:25 | Mattia Bellucci v Makoto Ochi | 7-6,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/04/01 07:30 | Vilardo, Francesco v Makoto Ochi | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 07:30 | Makoto Ochi v Yu Hsiou Hsu | 2-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/27 07:30 | Makoto Ochi v Marek Gengel | 2-6,6-2,6-3 |