Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/02/08 07:30 | Lorenzo Rottoli v Robert Strombachs | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/02/07 11:00 | Niki Kaliyanda Poonacha v Robert Strombachs | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/01 10:30 | Constantinos Koshis v Robert Strombachs | 3-6,6-2,10-6 |
| ITF M15 Sharm El Sheikh | 2021/01/31 13:30 | Dennis Dragomirov v Robert Strombachs | 4-6,0-6 |
| ITF M15 Manacor | 2021/01/10 09:30 | Robert Strombachs v Juan P Canas Garcia | 3-6,2-6 |
| ITF M15 Manacor | 2021/01/04 10:00 | Robert Strombachs v Frane Nincevic | 1-6,0-6 |
| ITF M15 Manacor | 2021/01/03 10:30 | Robert Strombachs v Adria V. Ferrer | 6-3,6-1 |
| German Championship | 2020/12/08 16:30 | Robert Strombachs v Henri Squire | 2-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/02/16 07:30 | Manish Sureshkumar v Roman Andres Burruchaga | 7-5,2-6,10-7 |
| ITF M15 Sharm El Sheikh | 2021/02/15 07:30 | Manish Sureshkumar v Jack Gibbens | 3-6,6-1,10-5 |
| ITF M15 Sharm El Sheikh | 2021/02/14 09:30 | Manish Sureshkumar v Giuseppe La Vela | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/01 12:30 | Roman Andres Burruchaga v Manish Sureshkumar | 6-4,6-0 |
| ITF M15 Sharm El Sheikh | 2021/01/31 13:30 | Michal Novansky v Manish Sureshkumar | 6-3,3-6,4-10 |
| ITF M15 Cairo | 2020/12/09 09:35 | Manish Sureshkumar v Hady Habib | 1-6,3-6 |
| ITF M15 Cairo | 2020/12/02 15:20 | Manish Sureshkumar v Miljan Zekic | 6-2,4-6,4-6 |
| ITF M15 Cairo | 2020/11/25 14:15 | Manish Sureshkumar v Yurii Dzhavakian | 6-3,2-6,4-6 |