Stadium: Hard 20 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/30 08:30 | Sandro Kopp v Alec Deckers | 6-4,3-6,6-4 |
| ITF M15 Heraklion | 2021/11/25 13:25 | Sandro Kopp v Arthur Fery | 2-6,6-4,3-6 |
| ITF M15 Heraklion | 2021/11/24 09:05 | Dax Donders v Sandro Kopp | 5-7,4-6 |
| ITF M15 Heraklion | 2021/11/16 08:30 | Sandro Kopp v Kyle Seelig | 2-6,1-6 |
| ITF M15 Heraklion | 2021/11/10 07:00 | Hazem Naw v Sandro Kopp | 6-2,6-2 |
| ITF M15 Selva Gardena | 2021/10/26 15:55 | Leandro Riedi v Sandro Kopp | 6-4,6-1 |
| ITF M15 Sozopol | 2021/10/13 10:00 | Ben Patael v Sandro Kopp | 6-0,6-0 |
| ITF M15 Sozopol | 2021/10/07 07:00 | Sandro Kopp v Billy Harris | 2-6,6-7 |
| ITF M15 Heraklion | 2021/12/01 13:45 | Radu F Macovei v Uisung Park | 5-7,0-6 |
| ITF M15 Heraklion | 2021/11/25 07:30 | Uisung Park v Jack Pinnington Jones | 4-6,4-6 |
| ITF M15 Heraklion | 2021/11/23 08:30 | Lukas Krainer v Uisung Park | 4-6,6-2,5-7 |
| ITF M15 Heraklion | 2021/11/16 07:00 | Uisung Park v Nikolay Nedelchev | 6-4,6-2 |
| ITF M15 Heraklion | 2021/11/15 08:00 | Uisung Park v Charles Tzicas | 6-2,6-3 |
| ITF M15 Heraklion | 2021/11/14 09:30 | Uisung Park v Pavlos Tsitsipas | 6-1,6-1 |
| ITF M15 Heraklion | 2021/11/09 08:30 | Matthew Romios v Uisung Park | 6-4,6-1 |
| ITF M15 Monastir | 2021/06/26 08:30 | Uisung Park v Luciano Darderi | 3-6,4-6 |