Stadium: Court 4 Round: 44 Ground: Hardcourt indoor
| ITF M25 Bagneres-De-Bigorre | 2021/08/29 09:00 | Matt Ponchet v Pierre Antoine Tailleu | 3-6,6-4,16-14 |
| ITF M25 Ajaccio | 2021/07/07 10:00 | Pierre Antoine Tailleu v Yannick Mertens | 4-6,4-6 |
| ITF M25 Ajaccio | 2021/07/05 15:30 | Pierre Antoine Tailleu v Raphael Gomila | 6-1,6-1 |
| ITF M15 Monastir | 2021/06/06 10:00 | Sungbeen Sim v Pierre Antoine Tailleu | 6-3,7-6 |
| ITF M15 Monastir | 2021/04/22 08:30 | Pierre Antoine Tailleu v Jonathan Mridha | 0-6,1-6 |
| ITF M15 Monastir | 2021/04/20 09:00 | Pierre Antoine Tailleu v Tushar Sharma | 6-3,6-4 |
| ITF M15 Monastir | 2021/04/04 10:30 | Pierre Antoine Tailleu v Romain Faucon | 4-6,6-7 |
| UTR Pro Tennis Series Sofia | 2021/09/01 06:30 | Valentin Vanta v Warren Sinius | 6-1,5-0 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Volodymyr Uzhylovskyi v Warren Sinius | 6-2,5-4 |
| UTR Pro Tennis Series Sofia | 2021/08/30 12:00 | Warren Sinius v George Lazarov | 2-6,2-5 |
| UTR Pro Tennis Series Zadar | 2021/07/04 07:00 | Bozo Barun v Warren Sinius | 6-1,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/01 09:30 | Warren Sinius v Jerko Brkic | 6-3,6-5 |
| UTR Pro Tennis Series Zadar | 2021/06/30 08:00 | Warren Sinius v Constant De La Bassetiere | 3-6,6-6 |
| 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 |