Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Bacau | 2021/08/19 13:20 | Sebastian Gima v Yshai Oliel | 1-6,6-2,2-6 |
| ITF M15 Curtea de Arges | 2021/08/12 08:25 | Dragos Nicolae Madaras v Sebastian Gima | 6-2,2-6,7-5 |
| ITF M15 Curtea de Arges | 2021/08/10 15:10 | Sebastian Gima v Mark Lajal | 6-1,6-3 |
| ITF M25 Pitesti | 2021/08/06 09:05 | Nicholas David Ionel v Sebastian Gima | 7-5,6-3 |
| ITF M25 Pitesti | 2021/08/05 12:20 | Sebastian Gima v Nicolae Frunza | 6-4,5-7,6-1 |
| ITF M25 Pitesti | 2021/08/03 13:00 | Sebastian Gima v Radu Mihai Papoe | 4-6,6-0,6-2 |
| ITF M15 Bucharest | 2021/05/26 14:15 | Jack Pinnington Jones v Sebastian Gima | 6-3,3-6,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 09:00 | Dan Alexandru Tomescu v Sebastian Gima | 6-3,6-1 |
| ITF M15 Pescara | 2021/08/16 07:15 | Fausto Tabacco v Pietro Marino | 7-5,6-0 |
| ITF M15 Pescara | 2021/08/15 11:30 | Alberto Morolli v Pietro Marino | 6-7,6-7 |
| ITF M15 Monastir | 2021/08/04 07:30 | Omni Kumar v Pietro Marino | 6-2,6-2 |
| ITF M15 Monastir | 2021/08/03 07:30 | Rishab Agarwal v Pietro Marino | 6-7,3-6 |
| ITF M15 Monastir | 2021/08/02 07:30 | Tadas Tarasevicius v Pietro Marino | 4-6,6-3,7-10 |
| ITF M15 Monastir | 2021/08/01 11:30 | Mhamed Affes v Pietro Marino | 2-6,4-6 |
| ITF M15 Monastir | 2021/07/26 08:00 | Davide Innocenti v Pietro Marino | 7-6,7-5 |
| ITF M15 Monastir | 2021/07/25 10:30 | Ali Alshati v Pietro Marino | 2-6,0-6 |