Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| ITF - M15 Monastir | 2021/04/09 08:30 | Antoine Escoffier v Robert Strombachs | 6-1,6-4 |
| ITF M25 Nevers | 2021/10/06 13:00 | Robert Strombachs v Rodriguez, Lisandru | 6-0,6-2 |
| ITF M15 Forbach | 2021/09/30 09:00 | Robert Strombachs v Arthur Bouquier | 7-6,4-6,4-6 |
| ITF M15 Forbach | 2021/09/28 09:55 | Robert Strombachs v Monaco, Antoine | 6-4,6-2 |
| Coupe Davis | 2021/09/18 08:00 | Altug Celikbilek v Robert Strombachs | 7-6,6-4 |
| ITF - M15 Monastir | 2021/09/07 09:30 | Terence Atmane v Robert Strombachs | 6-2,7-6 |
| ITF M15 Lodz | 2021/08/17 08:00 | Robert Strombachs v Wilson Leite | 5-7,4-6 |
| ITF M15 Gdynia | 2021/08/11 08:00 | Robert Strombachs v Pawel Juszczak | 4-6,7-6,4-6 |
| ITF - M15 Monastir | 2021/07/01 10:35 | Robert Strombachs v Luca Giacomini | 4-6,1-6 |
| ITF M25 Nevers | 2021/10/06 08:00 | Pontico, Hugo v Antoine Escoffier | 2-6,4-6 |
| ITF M25 Falun | 2021/09/30 14:20 | Antoine Escoffier v Kirkov, Vasil | 6-3,4-6,4-6 |
| ITF M25 Falun | 2021/09/29 14:50 | Antoine Escoffier v Christian Sigsgaard | 7-5,6-7,6-4 |
| ITF M25 Falun | 2021/09/28 14:30 | Antoine Escoffier v Eriksson, Markus | 6-1,7-5 |
| Challenger Biel | 2021/09/24 13:55 | Antoine Escoffier v Marc-Andrea Huesler | 7-5,1-6,2-6 |
| Challenger Biel | 2021/09/23 11:00 | Alexander Shevchenko v Antoine Escoffier | 4-6,6-7 |
| Challenger Biel | 2021/09/21 12:30 | Antoine Escoffier v Jerome Kym | 6-4,6-1 |
| Challenger Biel | 2021/09/20 11:30 | Alexander Shevchenko v Antoine Escoffier | 4-6,2-6 |