Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2021/10/03 14:00 | Luca Teboul v Vlad Cristian Breazu | 4-6,1-6 |
| ITF M15 Curtea de Arges | 2021/08/09 07:00 | Vlad Cristian Breazu v Vlad Andrei Dancu | 2-6,1-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 10:30 | Stoica, Vlad v Vlad Cristian Breazu | 6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 15:00 | Borza, Bogdan v Vlad Cristian Breazu | 7-6,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 11:30 | Radu Mihai Papoe v Vlad Cristian Breazu | 7-6,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 08:00 | Vlad Cristian Breazu v Stoica, Vlad | 6-3,6-1 |
| ITF - M15 Bucarest | 2021/05/23 07:00 | Vlad Cristian Breazu v Dumitru, Vlad Andrei | 3-6,1-6 |
| ITF M25 Sierre | 2021/08/31 16:30 | Luca Castelnuovo v Tanner, Gian Luca | 7-5,6-3 |
| ITF M25 Caslano | 2021/08/25 10:40 | Nicolas Parizzia v Tanner, Gian Luca | 2-6,6-2,6-4 |
| ITF M25 Muttenz | 2021/08/18 15:00 | Rinky Hijikata v Tanner, Gian Luca | 6-3,6-0 |
| ITF M25 Muttenz | 2021/08/17 12:00 | Tanner, Gian Luca v Gabriele Moghini | 6-7,2-6 |
| ITF M25 Muttenz | 2021/08/16 14:20 | Tanner, Gian Luca v Fynn Skender | 6-2,6-2 |
| ITF M25 Klosters | 2021/06/22 09:20 | Tanner, Gian Luca v Hampel, Lenny | 5-7,4-6 |
| ITF M25 Klosters | 2021/06/21 06:50 | Daniel Cukierman v Tanner, Gian Luca | 6-3,6-4 |
| ITF M25 Klosters | 2021/06/20 07:00 | Tanner, Gian Luca v Maik Steiner | 6-4,6-2 |