Stadium: Court 2 Round: 14 Ground: Clay
| ITF M15 Monastir | 2021/05/04 08:00 | Takashi Saito v Marcello Serafini | 7-5,2-6,10-8 |
| ITF M15 Monastir | 2021/05/03 12:00 | Hugo Pierre v Marcello Serafini | 6-3,4-6,10-12 |
| ITF M15 Monastir | 2021/05/02 08:00 | Cristian Campese v Marcello Serafini | 1-6,3-6 |
| ITF M15 Monastir | 2021/04/26 13:30 | Yuta Kawahashi v Marcello Serafini | 6-3,6-1 |
| ITF M15 Monastir | 2021/04/26 09:00 | Cristian Campese v Marcello Serafini | 3-6,1-6 |
| ITF M15 Monastir | 2021/04/25 10:30 | Andrea Del Federico v Marcello Serafini | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2021/03/28 16:00 | Jack Gibbens v Marcello Serafini | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/27 07:30 | Yu Hsiou Hsu v Marcello Serafini | 6-2,6-3 |
| ITF M15 Antalya | 2021/05/08 07:30 | Orlando Luz v Alexander Erler | 5-7,6-7 |
| ITF M15 Antalya | 2021/05/07 07:00 | Alexander Erler v Nick Hardt | 7-6,6-0 |
| ITF M15 Antalya | 2021/05/06 07:00 | Alexander Erler v Cheong-Eui Kim | 6-4,3-6,6-3 |
| ITF M15 Antalya | 2021/05/05 08:25 | Alexander Erler v Vito Dell'Elba | 6-0,6-0 |
| 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 |