Stadium: Court 12 Round: 14 Ground: Clay
| ITF M15 - Chornomorsk | 2021/09/03 07:00 | Denis Yevseyev v Oleg Prihodko | 6-3,7-6 |
| ITF M15 - Chornomorsk | 2021/09/02 07:00 | Denis Yevseyev v Gabriele Maria Noce | 6-0,6-4 |
| ITF M15 - Chornomorsk | 2021/08/30 10:30 | Denis Yevseyev v Alessio Zanotti | 6-1,6-3 |
| Challenger - Liberec | 2021/08/02 08:30 | Nikola Milojevic v Denis Yevseyev | 6-4,6-1 |
| Challenger - Liberec | 2021/08/01 12:30 | Denis Yevseyev v Franco Agamenone | 6-4,2-6,6-4 |
| Challenger - Triëst | 2021/07/25 17:30 | Orlando Luz v Denis Yevseyev | 5-7,7-6,6-3 |
| Challenger - Nur-Sultan | 2021/07/20 05:20 | Denis Yevseyev v Jesper De Jong | 6-4,0-6,3-6 |
| Challenger - Nur-Sultan | 2021/07/13 05:45 | Mirza Basic v Denis Yevseyev | 6-3,6-3 |
| Challenger - Iași | 2021/07/11 14:45 | Miljan Zekic v Jonathan Eysseric | 6-2,6-2 |
| ITF - M25 Bourg-en-Bresse | 2021/06/30 13:30 | Jonathan Eysseric v Nikolas Sanchez Izquierdo | 2-6,7-5,1-6 |
| ITF M25 - Montauban | 2021/06/27 08:30 | Franco Agamenone v Jonathan Eysseric | 6-2,6-1 |
| ITF M25 - Montauban | 2021/06/26 09:00 | Jonathan Eysseric v Valentin Royer | 6-4,4-6,7-6 |
| ITF M25 - Montauban | 2021/06/25 10:00 | Viktor Durasovic v Jonathan Eysseric | 3-6,2-6 |
| ITF M25 - Montauban | 2021/06/24 11:50 | Maxime Mora v Jonathan Eysseric | 3-6,4-6 |
| ITF M25 - Montauban | 2021/06/23 11:25 | Jonathan Eysseric v Oriol Roca Batalla | 6-3,6-2 |
| Challenger - Lyon | 2021/06/06 13:20 | Jonathan Eysseric v Camilo Ugo Carabelli | 2-6,4-6 |