Stadium: Court 8 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Bad Waltersdorf | 2021/08/26 07:00 | Marko Topo v Gabriel Decamps | 4-6,5-7 |
| ITF M15 Monastir | 2021/11/23 09:00 | Gabriel Decamps v Mehdi Sadaoui | 6-1,6-1 |
| ITF M15 Monastir | 2021/11/20 08:30 | Moerani Bouzige v Gabriel Decamps | 7-5,6-2 |
| ITF M15 Monastir | 2021/11/19 11:30 | Gabriel Decamps v Maks Kasnikowski | 7-6,6-2 |
| ITF M15 Monastir | 2021/11/18 11:40 | Gabriel Decamps v Omar Brigida | 6-4,6-2 |
| ITF M15 Monastir | 2021/11/16 11:30 | Gabriel Decamps v Danilo Ilic | 6-0,6-0 |
| ITF M25 Sarreguemines | 2021/10/28 15:05 | Harold Mayot v Gabriel Decamps | 6-4,4-6,4-6 |
| ITF M25 Sarreguemines | 2021/10/26 17:30 | Hugo Schott v Gabriel Decamps | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2021/10/15 08:00 | Lukas Pokorny v Gabriel Decamps | 2-6,6-3,6-1 |
| ITF M15 Monastir | 2021/11/24 09:50 | Marko Topo v Maxime Dubouch | 6-3,2-6,6-4 |
| Challenger Banja Luka | 2021/09/10 16:00 | Marko Topo v Tomas Martin Etcheverry | 3-6,6-7 |
| Challenger Banja Luka | 2021/09/09 11:55 | Marko Topo v Vitaliy Sachko | 6-1,3-6,7-6 |
| Challenger Banja Luka | 2021/09/07 14:30 | Danilo Petrovic v Marko Topo | 6-4,6-7,2-6 |
| ITF M15 Allershausen | 2021/09/01 14:35 | Marko Topo v Tim Handel | 5-7,5-7 |
| ITF M15 Bad Waltersdorf | 2021/08/26 07:00 | Marko Topo v Gabriel Decamps | 4-6,5-7 |
| ITF M15 Bad Waltersdorf | 2021/08/24 07:00 | Dominik Boehler v Marko Topo | 7-6,6-7,4-6 |
| ATP Beograd | 2021/05/23 13:00 | Marko Topo v Federico Coria | 6-4,2-6,0-6 |