| UTR Pro Tennis Series - Zadar | 2021/06/29 11:00 | Warren Sinius v Frane Nincevic | 5-7,3-6 |
| UTR Pro Tennis Series - Zadar | 2021/06/28 12:30 | Warren Sinius v Josip Krstanovic | 2-6,1-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/20 08:00 | Alexander Konigsfeldt v Warren Sinius | 6-1,6-0 |
| UTR Pro Tennis Series Copenhagen | 2021/06/19 07:00 | Nikolaj Katic v Warren Sinius | 4-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/18 12:30 | Ludvig Aaes v Warren Sinius | 7-6,6-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 09:30 | Dominik Palan v Warren Sinius | 2-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/16 11:00 | Philip Hjorth v Warren Sinius | 6-3,6-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 09:30 | Marius Ruzgas v Warren Sinius | 6-2,6-0 |
| UTR Pro Tennis Series - Zadar | 2021/06/29 11:00 | Josip Krstanovic v Constant De La Bassetiere | 1-6,6-3,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/26 12:00 | Constant De La Bassetiere v Adria Soriano Barrera | 6-2,3-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/25 09:30 | Constant De La Bassetiere v Jose Joaquin M Cisneros | 4-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 08:00 | Constant De La Bassetiere v Mario Mansilla Diez | 6-1,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 08:00 | Constant De La Bassetiere v Alvaro Bueno Gil | 6-4,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/06/20 07:00 | Constant De La Bassetiere v Marcelo Zormann | 6-7,1-5 |
| ITF - M15 - Antalya | 2021/06/08 07:00 | Constant De La Bassetiere v Hasan Ibrahim | 4-6,6-3,9-11 |
| ITF - M15 - Antalya | 2021/06/07 09:55 | Vitali Shvets v Constant De La Bassetiere | 3-6,0-6 |