Stadium: Court 20 Round: 25 Ground: Clay
| ITF M15 Sibenik | 2021/04/23 08:00 | Sebastian Prechtel v Alexander Erler | 6-4,6-4 |
| ITF M15 Sibenik | 2021/04/22 10:15 | Marco Miceli v Alexander Erler | 1-6,4-6 |
| ITF M15 Sibenik | 2021/04/21 13:20 | Gorazd Srbljak v Alexander Erler | 1-6,2-6 |
| ITF M25 Meerbusch | 2021/04/18 11:30 | Alexander Erler v Arthur Cazaux | 6-2,4-6,7-5 |
| ITF M25 Meerbusch | 2021/04/17 12:55 | Elmar Ejupovic v Alexander Erler | 3-6,4-6 |
| ITF M25 Meerbusch | 2021/04/16 09:00 | Milan Welte v Alexander Erler | 1-6,4-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Alexander Erler v Yannick Mertens | 6-3,3-6,6-1 |
| ITF M25 Meerbusch | 2021/04/14 10:30 | Alexander Erler v Marvin Netuschil | 6-3,6-2 |
| ITF M15 Antalya | 2021/04/26 07:00 | Colin Sinclair v Vito Dell'Elba | 6-3,6-3 |
| ITF M15 Antalya | 2021/04/18 07:00 | Francesco Maestrelli v Vito Dell'Elba | 6-2,6-4 |
| ITF M15 Antalya | 2021/04/11 07:00 | Vito Dell'Elba v Federico Campana | 2-6,1-6 |
| ITF M15 Antalya | 2021/04/05 07:00 | Vito Dell'Elba v Lucas Hellfritsch | 3-6,2-6 |
| ITF M15 Antalya | 2021/04/04 06:30 | Vito Dell'Elba v Andrea Borroni | 7-6,6-4 |
| ITF M15 Antalya | 2021/03/28 06:30 | Nicolo Turchetti v Vito Dell'Elba | 6-2,6-4 |
| ITF M15 Antalya | 2021/03/21 07:00 | Vlad Andrei Dancu v Vito Dell'Elba | 6-0,6-0 |
| ITF M15 Antalya | 2021/03/14 07:00 | Egill Sigurdsson v Vito Dell'Elba | 6-3,6-3 |