Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Grasse | 2021/06/16 10:30 | Matija Pecotic v Gabriel Petit | 4-6,6-1,6-2 |
| Challenger Split | 2021/04/04 10:35 | Matteo Martineau v Matija Pecotic | 6-4,0-6,6-4 |
| Challenger Zadar | 2021/03/23 09:00 | Nikolas Sanchez Izquierdo v Matija Pecotic | 3-6,6-3,6-2 |
| Challenger Biella Qual | 2021/03/14 13:35 | Daniel Masur v Matija Pecotic | 6-0,6-3 |
| Challenger St. Petersburg | 2021/03/09 08:20 | Jiri Lehecka v Matija Pecotic | 6-2,7-6 |
| Challenger St. Petersburg | 2021/03/08 07:00 | Alessandro Bega v Matija Pecotic | 3-6,3-6 |
| Challenger St. Petersburg Qual | 2021/03/07 07:00 | Matija Pecotic v Uladzimir Ignatik | 0-6,7-6,6-4 |
| Challenger St. Petersburg | 2021/03/02 10:30 | Matija Pecotic v Andrey Kuznetsov | 6-7,2-6 |
| ITF M25 Grasse | 2021/06/14 16:15 | Jurgen Briand v Lukas H Lilleengen | 6-1,7-6 |
| ITF M25 Grasse | 2021/06/14 11:40 | Jurgen Briand v Lilian Breut | 6-3,6-2 |
| ITF M25 Angers | 2021/04/20 08:00 | Timo Legout v Jurgen Briand | 7-6,4-6,6-0 |
| ITF M25 Meerbusch | 2021/04/12 09:00 | Mats Hermans v Jurgen Briand | 6-3,2-6,11-9 |
| Challenger Lille | 2021/03/23 13:00 | Tristan Lamasine v Jurgen Briand | 4-6,6-3,6-4 |
| Challenger Lille | 2021/03/22 10:00 | Christopher Heyman v Jurgen Briand | 4-6,6-3,2-6 |
| Challenger Lille | 2021/03/21 09:00 | Jurgen Briand v Dan Added | 6-2,6-4 |
| ITF M15 Bratislava | 2021/03/12 10:35 | Jurgen Briand v Kyrian Jacquet | 7-6,7-6 |