Stadium: Centre CourtTamarsit Round: 44 Ground: Clay
| ITF M15 Las Palmas | 2021/04/25 11:00 | Gabriele Moghini v Endler, Mark Owen | 5-7,6-3,9-11 |
| ITF M25 Meerbusch | 2021/04/13 09:30 | Endler, Mark Owen v Niels Visker | 1-6,2-6 |
| ITF M25 Meerbusch | 2021/04/12 10:00 | Alessio Vasquez Gehrke v Endler, Mark Owen | 6-7,3-6 |
| ITF M25 Meerbusch | 2021/04/11 12:30 | Endler, Mark Owen v Julian Peter | 6-1,6-0 |
| Challenger Gran Canaria | 2021/02/23 10:00 | Alex Molcan v Endler, Mark Owen | 6-0,6-1 |
| ITF M25 Villena | 2021/02/01 10:30 | Molino, Javier v Endler, Mark Owen | 6-4,5-7,10-6 |
| ITF - M15 Manacor | 2021/01/10 12:30 | Endler, Mark Owen v Andrew Paulson | 3-6,0-6 |
| ITF - M15 Manacor | 2021/01/03 11:30 | Kenny de Schepper v Endler, Mark Owen | 6-3,6-1 |
| ITF M15 Las Palmas | 2021/04/25 12:00 | Aaron Cohen v Miguel Damas | 6-3,6-7,10-5 |
| ITF - M15 Antalya | 2021/03/21 07:00 | Paul Woerner v Aaron Cohen | 6-3,6-2 |
| ITF - M15 Antalya | 2021/03/14 07:00 | Bejenaru, Adrian Mateo v Aaron Cohen | 7-6,6-0 |
| ITF - M15 Antalya | 2021/02/24 10:30 | Yshai Oliel v Aaron Cohen | 6-4,6-1 |
| ITF - M15 Antalya | 2021/02/23 06:30 | Aaron Cohen v Cengiz Aksu | 6-3,6-4 |
| ITF - M15 Antalya | 2021/02/22 07:00 | Prechtel, Sebastian v Aaron Cohen | 1-6,3-6 |
| ITF - M15 Antalya | 2021/02/21 13:00 | Aaron Cohen v Gokberk Saritas | 6-2,6-2 |
| ITF - M15 Antalya | 2021/02/16 11:45 | Aaron Cohen v Prechtel, Sebastian | 4-6,4-6 |