stadio: Central Round: 26 Ground: Hardcourt indoor
| Challenger Orleans | 2021/09/26 12:05 | Mischa Zverev v Kyrian Jacquet | 6-7,1-6 |
| Challenger Luedenscheid | 2021/08/17 14:45 | Mischa Zverev v Julien Cagnina | 3-6,1-6 |
| Challenger Praga | 2021/08/09 15:30 | Riccardo Bonadio v Mischa Zverev | 6-3,2-6,6-3 |
| Challenger Braunschweig | 2021/07/06 15:25 | Nicola Kuhn v Mischa Zverev | 6-2,7-6 |
| Challenger Biella | 2021/05/17 08:00 | Mischa Zverev v Omar Giacalone | 6-7,2-6 |
| Challenger Biella | 2021/05/16 09:00 | Mischa Zverev v Geoffrey Blancaneaux | 6-2,6-0 |
| ITF M25 Praga | 2021/05/12 07:30 | Mischa Zverev v Peter Goldsteiner | 7-6,5-7,6-1 |
| ATP Monaco | 2021/04/24 11:00 | Mischa Zverev v Daniel Elahi Galan | 3-6,3-6 |
| ITF M25 Plaisir | 2021/09/16 13:50 | Alexandre Reco v Jurgen Briand | 6-3,5-7,6-2 |
| ITF M25 Plaisir | 2021/09/15 14:05 | Jurgen Briand v Tobias Simon | 6-4,7-6 |
| Challenger Cassis | 2021/09/05 14:00 | Jurgen Briand v Arthur Cazaux | 4-6,7-6,5-7 |
| Challenger St. Tropez | 2021/08/31 12:05 | Jurgen Briand v Christopher O'Connell | 2-6,4-6 |
| Challenger St. Tropez | 2021/08/30 09:00 | Maxime Hamou v Jurgen Briand | 2-6,1-6 |
| Challenger St. Tropez | 2021/08/29 11:20 | Romain Gales v Jurgen Briand | 0-6,1-6 |
| ITF M25 Uriage | 2021/07/14 15:50 | Oriol Roca Batalla v Jurgen Briand | 6-2,6-2 |
| ITF M25 Ajaccio | 2021/07/08 07:00 | Mateus Alves v Jurgen Briand | 7-5,4-6,2-6 |