Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Monastir | 2021/08/18 07:30 | Masamichi Imamura v Mattias Southcombe | 6-3,6-1 |
| ITF M15 Monastir | 2021/08/08 09:30 | Mattias Southcombe v Hamzeh Al-Aswad | 6-0,1-6,7-10 |
| ITF M15 Monastir | 2021/08/01 09:00 | Stefan Vujic v Mattias Southcombe | 7-5,2-6,10-7 |