| UTR Pro Tennis Series Barcelona | 2021/04/30 12:30 | Kuzey Cekirge v Warren Sinius | 5-7,6-0,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/04/29 10:00 | Thomas Laurent v Warren Sinius | 6-1,5-1 |
| ITF - M15 Poitiers | 2021/03/15 11:10 | Warren Sinius v Hugo Voljacques | 0-6,0-6 |
| ITF - M15 Poitiers | 2021/03/14 12:30 | Warren Sinius v Nicolas Tepmahc | 6-1,6-7,10-5 |
| ITF - M25 Plaisir | 2019/09/16 15:30 | Jonathan Eysseric v Warren Sinius | 6-1,6-2 |
| ITF - M25 Plaisir | 2019/09/16 10:25 | Warren Sinius v Bradley Paliska | 1-6,6-0,10-6 |
| ITF - M25 Plaisir | 2019/09/15 15:25 | Yannick Lenaerts v Warren Sinius | 5-7,3-6 |
| ITF France F21 | 2018/10/06 07:30 | Alexis Boureau v Warren Sinius | 6-3,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/04/29 09:30 | Fermin Calvo Barcelo v Pol Toledo Bague | 2-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/28 13:20 | Fermin Calvo Barcelo v Noah Lopez | 5-7,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/26 09:30 | Fermin Calvo Barcelo v Ronald Slobodchikov | 4-6,3-6 |