Stadium: Central Round: 28 Ground: Hardcourt outdoor
| ITF M25 Ajaccio | 2021/07/09 16:35 | Petros Tsitsipas v Rodriguez, Lisandru | 7-6,6-1 |
| ITF M25 Ajaccio | 2021/07/08 12:30 | Hiroki Moriya v Petros Tsitsipas | 1-6,6-3,2-6 |
| ITF M25 Ajaccio | 2021/07/07 19:05 | Petros Tsitsipas v Hendrik Jebens | 3-6,6-0,6-1 |
| ITF - M15 Monastir | 2021/06/24 11:30 | Omni Kumar v Petros Tsitsipas | 6-1,6-2 |
| ITF - M15 Monastir | 2021/06/23 13:00 | Petros Tsitsipas v Stafford, Jabari | 6-2,6-3 |
| ITF - M15 Héraklion | 2021/06/10 07:30 | Petros Tsitsipas v Zemel, Yankel | 6-7,2-6 |
| ITF - M15 Héraklion | 2021/06/08 08:00 | Petros Tsitsipas v Ioannis Kountourakis | 6-1,7-6 |
| ITF - M15 Héraklion | 2021/06/03 09:00 | Billy Harris v Petros Tsitsipas | 4-6,6-0,7-6 |
| ITF M25 Ajaccio | 2021/07/09 15:00 | Giovanni Mpetshi Perricard v Pourroy, Loris | 4-6,4-6 |
| ITF M25 Ajaccio | 2021/07/08 07:00 | Pourroy, Loris v Mertens, Yannick | 6-1,4-6,6-3 |
| ITF M25 Ajaccio | 2021/07/07 08:30 | Pourroy, Loris v Kenny de Schepper | 4-6,6-4,6-2 |
| ITF M25 Ajaccio | 2021/07/05 08:30 | Pourroy, Loris v Tramontin, Alessio | 6-1,6-3 |
| ITF M25 Montauban | 2021/06/23 08:25 | Pourroy, Loris v Kelly, Dayne | 4-6,4-6 |
| ITF M25 Montauban | 2021/06/21 13:00 | Pourroy, Loris v Alexandre Aubriot | 7-5,6-1 |
| ITF M25 Montauban | 2021/06/21 09:15 | Pourroy, Loris v Julien De Cuyper | 6-0,6-4 |
| ITF - M25 Grasse | 2021/06/13 07:30 | Pourroy, Loris v Graziani, Edoardo | 4-6,4-6 |