Stadium: Court Tsitsipas Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Monastir | 2021/06/25 08:30 | Uisung Park v Moez Echargui | 6-4,6-2 |
| ITF M15 Monastir | 2021/06/24 08:30 | Rinky Hijikata v Uisung Park | 6-1,6-7,0-6 |
| ITF M15 Monastir | 2021/06/23 08:30 | Adam El Mihdawy v Uisung Park | 6-4,1-6,2-6 |
| ITF M15 Monastir | 2021/06/21 12:30 | Uisung Park v Shohei Chikami | 6-4,6-3 |
| ITF M15 Monastir | 2021/06/21 08:00 | Uisung Park v Ji Hoon Son | 6-3,6-0 |
| ITF M15 Heraklion | 2021/11/14 07:00 | David Quayle v Charles Tzicas | 3-6,6-2,6-10 |
| ITF M15 Heraklion | 2021/11/09 07:00 | Dax Donders v Charles Tzicas | 6-1,6-0 |
| ITF M15 Heraklion | 2021/11/08 09:00 | Ioannis Stamoulos v Charles Tzicas | 0-6,3-6 |
| ITF M15 Heraklion | 2021/11/07 11:00 | Andrei Cuceu v Charles Tzicas | 4-6,2-6 |
| ITF M15 Heraklion | 2021/11/01 08:00 | Charles Tzicas v Pietro Pirolt | 3-6,6-2,6-10 |
| ITF M25 Eupen | 2021/09/06 07:30 | Francesco Ferrari v Charles Tzicas | 3-6,6-4,16-14 |
| ITF M25 Eupen | 2021/09/05 07:30 | Kamran Hanif v Charles Tzicas | 5-7,4-6 |
| ITF M15 Huy | 2021/08/23 11:35 | Guillaume Dermiens v Charles Tzicas | 6-3,6-0 |