Estádio: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/04/08 10:10 | Antoine Escoffier v Pedro Boscardin Dias | 6-1,6-2 |
| ITF - M15 Monastir | 2021/04/07 08:25 | Antoine Escoffier v Juan Ignacio Galarza | 6-1,6-3 |
| ITF - M25 Biel | 2021/04/01 09:30 | Jay Clarke v Antoine Escoffier | 5-7,6-2,0-6 |
| ITF - M25 Biel | 2021/03/31 12:15 | Antoine Escoffier v Kilian Feldbausch | 7-5,6-3 |
| Challenger - Lille | 2021/03/21 11:15 | Tak Khunn Wang v Antoine Escoffier | 5-7,6-4,6-4 |
| ITF - M25 Vale do Lobo | 2021/03/11 10:25 | Antoine Escoffier v Tak Khunn Wang | 6-7,4-6 |
| ITF - M25 Vale do Lobo | 2021/03/10 15:15 | Antoine Escoffier v Ugo Blanchet | 7-5,6-2 |
| ITF - M25 Faro | 2021/03/04 09:30 | Antoine Escoffier v Louis Dussin | 6-2,4-6,6-7 |
| ITF - M15 Monastir | 2021/04/08 09:50 | Buvaysar Gadamauri v Robert Strombachs | 1-6,2-6 |
| ITF - M15 Monastir | 2021/04/07 10:10 | Robert Strombachs v Alexander Shevchenko | 1-6,6-3,7-5 |
| ITF - M25 Biel | 2021/03/29 08:00 | Luca Staeheli v Robert Strombachs | 6-4,6-3 |
| ITF - M15 Poitiers | 2021/03/16 09:30 | Jaimee Floyd Angele v Robert Strombachs | 6-4,6-4 |
| Challenger - Biella | 2021/03/07 11:30 | Matthias Bachinger v Robert Strombachs | 6-2,7-5 |
| ITF - M15 Sharm El Sheikh | 2021/02/27 07:30 | Robert Strombachs v Martins Podzus | 3-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/26 08:40 | Flavio Cobolli v Robert Strombachs | 1-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/25 09:35 | Robert Strombachs v Francesco Vilardo | 6-3,6-3 |