Stadium: Centre Court Round: 25 Ground: Clay
| ITF M15 - Skopje | 2021/06/02 08:00 | Ronan Joncour v Petr Michnev | 2-6,4-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/10 09:00 | Jules Marie v Ronan Joncour | 6-7,6-1,6-1 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/09 11:30 | Gabriel Donev v Ronan Joncour | 5-7,3-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/08 08:30 | Yanaki Milev v Ronan Joncour | 5-7,2-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/06 07:00 | Constant De La Bassetiere v Ronan Joncour | 7-5,4-6,4-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/05 13:00 | Ronan Joncour v Plamen Milushev | 6-1,6-3 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/04 07:00 | Ronan Joncour v Pierre Faivre | 4-6,0-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/04/03 07:00 | Ronan Joncour v Tristan Meraut | 7-5,6-1 |
| ITF M15 - Skopje | 2021/06/02 13:20 | Marko Miladinovic v Oscar Moraing | 6-7,0-6 |
| ITF M15 - Prijedor | 2021/05/13 10:05 | Peter Fajta v Marko Miladinovic | 5-7,6-3,7-6 |
| ATP - Beograd | 2021/04/18 13:30 | Marko Miladinovic v Taro Daniel | 1-6,2-6 |
| Challenger - Beograd | 2021/04/12 10:00 | Taro Daniel v Marko Miladinovic | 6-1,7-5 |
| ITF M15 - Antalya | 2021/03/24 07:30 | Seong Chan Hong v Marko Miladinovic | 6-2,6-4 |
| ITF M15 - Antalya | 2021/03/17 09:25 | Pedro Vives Marcos v Marko Miladinovic | 6-2,6-3 |
| ITF M15 - Sharm El Sheikh | 2021/02/10 11:55 | Marko Miladinovic v Jack Pinnington Jones | 6-4,2-6,6-3 |
| ITF M15 - Sharm El Sheikh | 2021/02/09 08:55 | Marko Miladinovic v Lorenzo Rottoli | 6-4,6-2 |