Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/04/05 12:30 | Vitali Shvets v Buvaysar Gadamauri | 6-2,4-6,3-10 |
| ITF - M15 Monastir | 2021/04/05 08:00 | Buvaysar Gadamauri v Mousa Alkotop | 6-1,7-6 |
| ITF - M15 Monastir | 2021/04/04 09:30 | Amaan Siddiqui v Buvaysar Gadamauri | 2-6,4-6 |
| ITF - M15 Monastir | 2021/03/30 08:00 | Igor Marcondes v Buvaysar Gadamauri | 6-2,6-1 |
| ITF - M15 Monastir | 2021/03/29 08:00 | Amaury Raynel v Buvaysar Gadamauri | 3-6,6-3,7-10 |
| ITF - M15 Monastir | 2021/03/28 11:30 | Buvaysar Gadamauri v Marius Ruzgas | 4-6,6-2,10-6 |
| ITF - M15 Monastir | 2021/03/25 13:05 | Ergi Kirkin v Buvaysar Gadamauri | 6-4,4-6,6-1 |
| ITF - M15 Monastir | 2021/03/24 10:05 | Alexander Donski v Buvaysar Gadamauri | 6-7,5-7 |
| 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 |
| ITF - M15 Sharm El Sheikh | 2021/02/24 10:35 | Fares Zakaria v Robert Strombachs | 1-6,1-6 |