Stadium: Court 6 Round: 44 Ground: Clay
| ITF M25 Most | 2021/05/24 08:00 | Kai Lemstra v Niklas Rohrer | 6-3,6-2 |
| ITF M25 Most | 2021/05/23 08:00 | Niklas Rohrer v Lukas Pokorny | 7-6,6-3 |
| ITF M25 Prague | 2021/05/09 13:30 | Lucas Bouquet v Niklas Rohrer | 6-1,6-3 |
| ITF M15 Antalya | 2021/04/11 07:00 | Marco De Rossi v Niklas Rohrer | 6-3,6-2 |
| ITF M15 Antalya | 2021/04/04 10:00 | Matteo Gigante v Niklas Rohrer | 6-2,6-0 |
| ITF M15 Antalya | 2021/03/28 06:30 | Andrea Borroni v Niklas Rohrer | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Niklas Rohrer v Stepan Pecak | 6-7,6-4,10-12 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Jurgen Briand v Niklas Rohrer | 6-0,6-2 |
| ITF M15 Antalya | 2021/06/06 07:30 | Sergo Sikharulidze v Fausto Tabacco | 1-6,1-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Pietro Pampanin v Fausto Tabacco | 6-3,7-5 |
| ITF M15 Monastir | 2021/05/10 09:00 | Guy Orly Iradukunda v Fausto Tabacco | 3-6,6-2,12-10 |
| ITF M15 Monastir | 2021/05/09 10:00 | Samuele Pieri v Fausto Tabacco | 6-4,5-7,3-10 |
| ITF M15 Monastir | 2021/05/04 08:00 | Michel Vernier v Fausto Tabacco | 6-4,2-6,11-9 |
| ITF M15 Monastir | 2021/05/03 13:00 | Fausto Tabacco v Yuta Kikuchi | 6-7,6-3,10-4 |
| ITF M15 Monastir | 2021/03/30 08:00 | Alberto Barroso Campos v Fausto Tabacco | 6-4,7-5 |
| ITF M15 Monastir | 2021/03/29 08:00 | Mateo Barreiros Reyes v Fausto Tabacco | 3-6,3-6 |