Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/23 09:00 | Gabriel Ciro Da Silva v Takuya Kumasaka | 6-7,7-6,10-6 |
| ITF M15 Monastir | 2021/08/22 10:00 | Takuya Kumasaka v Josh Reid | 7-6,6-3 |
| ITF M15 Monastir | 2021/08/15 07:30 | Jeremy Beale v Takuya Kumasaka | 6-3,6-4 |
| ITF M15 Monastir | 2021/08/13 15:00 | Dan Added v Takuya Kumasaka | 6-2,6-1 |
| ITF M15 Monastir | 2021/08/12 08:00 | Takuya Kumasaka v Makoto Ochi | 6-4,6-4 |
| 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 Dheeraj Kodancha Srinivasan | 6-2,6-1 |
| ITF M25 Manacor | 2022/01/10 17:30 | Stefanos Sakellaridis v Roman Ruenger | 7-5,6-4 |
| ITF M15 Monastir | 2021/12/12 10:00 | Roman Ruenger v Alessandro Bellifemine | 2-6,5-7 |
| ITF M15 Monastir | 2021/12/05 09:00 | Roman Ruenger v Mattias Southcombe | 3-6,5-7 |
| ITF M15 Parnu | 2021/10/25 07:00 | Roman Ruenger v Timofey Stepanov | 2-6,1-6 |
| ITF M25 Ricany | 2021/08/29 10:30 | Roman Ruenger v Filip Kana | 4-6,2-6 |
| ITF M15 Sibenik | 2021/05/17 14:40 | Rimpei Kawakami v Roman Ruenger | 6-2,6-2 |
| ITF M15 Sibenik | 2021/05/16 12:30 | Liam Schiemann v Roman Ruenger | 3-6,2-6 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Kevin Kaczynski v Roman Ruenger | 6-1,6-0 |