Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/02/07 11:00 | Piotr Matuszewski v Lorenzo Rottoli | 4-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/02/01 08:00 | Yu Hsiou Hsu v Lorenzo Rottoli | 6-0,6-2 |
| ITF M15 Cairo | 2021/01/25 08:00 | Remy Bertola v Lorenzo Rottoli | 7-6,6-3 |
| ITF M15 Cairo | 2021/01/24 09:30 | Faisal Qamar v Lorenzo Rottoli | 1-6,5-7 |
| ITF M15 Cairo | 2021/01/18 08:00 | Alejo Lorenzo Lingua Lavallen v Lorenzo Rottoli | 6-2,6-2 |
| ITF M15 Monastir | 2020/03/05 11:00 | Baptiste Crepatte v Lorenzo Rottoli | 6-3,6-2 |
| ITF M15 Monastir | 2020/03/03 12:20 | Lorenzo Rottoli v Riccardo Maiga | 4-6,6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2020/02/26 10:30 | Ryan Nijboer v Lorenzo Rottoli | 6-3,6-1 |
| 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 Heraklion | 2020/11/24 11:30 | Robert Strombachs v Matic Spec | 1-6,6-7 |