Stadium: Hard Court Central Round: 25 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/05/27 10:45 | Petros Tsitsipas v Daniel Cox | 6-4,0-6,1-6 |
| ATP Marseille | 2021/03/09 17:55 | Alejandro Davidovich Fokina v Petros Tsitsipas | 6-0,6-2 |
| ITF M15 Monastir | 2020/12/24 10:20 | Kaichi Uchida v Petros Tsitsipas | 6-3,6-2 |
| ITF M15 Monastir | 2020/12/22 08:30 | Petros Tsitsipas v Oscar Moraing | 1-6,6-4,7-6 |
| ITF M15 Monastir | 2020/12/17 12:55 | Petros Tsitsipas v Luca Giacomini | 6-2,4-6,2-6 |
| ITF M15 Monastir | 2020/12/15 08:00 | Simone Roncalli v Petros Tsitsipas | 4-6,3-6 |
| ITF M15 Monastir | 2020/12/09 10:55 | Lucas Poullain v Petros Tsitsipas | 6-4,7-6 |
| ITF M15 Monastir | 2020/12/07 12:30 | Ignacio Carou v Petros Tsitsipas | 3-6,0-6 |
| ITF M15 Heraklion | 2021/05/26 08:35 | Daniel Cox v Alec Deckers | 6-1,6-0 |
| ITF M15 Heraklion | 2020/11/15 08:00 | Guy Dagan v Alec Deckers | 0-6,1-6 |
| ITF M15 Heraklion | 2020/11/01 10:00 | Alec Deckers v Riccardo Balzerani | 4-6,2-6 |
| ITF M15 Heraklion | 2020/10/25 11:30 | Alec Deckers v Francesco Maestrelli | 7-6,0-6,3-10 |
| ITF M15 Caslano | 2020/09/01 12:10 | Alec Deckers v Federico Iannaccone | 2-6,7-5,4-10 |
| ITF M15 Caslano | 2020/08/31 15:25 | Alexander Weis v Alec Deckers | 6-7,4-6 |
| ITF M15 Alkmaar | 2020/08/23 11:00 | Shintaro Mochizuki v Alec Deckers | 6-4,6-4 |
| ITF M15 Eupen | 2019/08/07 15:00 | Zizou Bergs v Alec Deckers | 7-5,6-1 |