| UTR Pro Tennis Series - Zadar | 2021/09/29 09:30 | Yanais Laurent v Petar Pjevcevic | 6-2,6-2 |
| UTR Pro Tennis Series - Zadar | 2021/09/28 09:30 | Mile Matic v Petar Pjevcevic | 2-6,2-5 |
| ITF - M15 - Pirot | 2021/09/20 08:00 | Kristof Minarik v Petar Pjevcevic | 7-5,6-4 |
| ITF - M15 - Pirot | 2021/09/19 09:30 | Danilo Ilic v Petar Pjevcevic | 1-6,1-6 |
| ITF - M15 - Zlatibor | 2021/09/16 09:40 | Fabian Marozsan v Petar Pjevcevic | 6-3,7-5 |
| ITF - M15 - Zlatibor | 2021/09/15 13:20 | Aleksa Mardjonovic v Petar Pjevcevic | 6-1,3-6,3-6 |
| ITF - M15 - Zlatibor | 2021/09/14 08:00 | Bozo Barun v Petar Pjevcevic | 6-4,0-6,9-11 |
| ITF - M15 - Zlatibor | 2021/09/12 10:00 | Milan Macura v Petar Pjevcevic | 4-6,1-6 |
| UTR Pro Tennis Series - Zadar | 2021/09/28 09:30 | Yanais Laurent v Lawrence Bataljin | 6-1,6-1 |
| UTR Pro Tennis Series - Mülheim | 2021/09/25 10:30 | Christos Keisidis v Lawrence Bataljin | 6-4,5-3 |
| UTR Pro Tennis Series - Mülheim | 2021/09/25 07:00 | Julien De Cuyper v Lawrence Bataljin | 0-6,0-6 |
| UTR Pro Tennis Series - Mülheim | 2021/09/24 11:00 | Jose A R Rodriguez v Lawrence Bataljin | 3-6,6-2,5-1 |
| UTR Pro Tennis Series - Mülheim | 2021/09/23 08:00 | Buvaysar Gadamauri v Lawrence Bataljin | 6-3,5-4 |
| UTR Pro Tennis Series - Mülheim | 2021/09/22 09:30 | Thijmen Loof v Lawrence Bataljin | 6-3,5-3 |
| UTR Pro Tennis Series - Mülheim | 2021/09/20 12:30 | Guy Den Heijer v Lawrence Bataljin | 6-0,5-1 |
| UTR Pro Tennis Series - Ricany | 2021/09/19 07:00 | Lawrence Bataljin v Stefanos Sakellaridis | 0-6,6-6 |