Stadium: Court 6 Round: 62 Ground: Clay
| Challenger Gran Canaria | 2021/02/23 10:00 | Alex Molcan v Mark Owen Endler | 6-0,6-1 |
| ITF M25 Villena | 2021/02/01 10:30 | Javier Molino v Mark Owen Endler | 6-4,5-7,10-6 |
| ITF M15 Manacor | 2021/01/10 12:30 | Mark Owen Endler v Andrew Paulson | 3-6,0-6 |
| ITF M15 Manacor | 2021/01/03 11:30 | Kenny de Schepper v Mark Owen Endler | 6-3,6-1 |
| ITF M15 Monastir | 2020/09/20 11:00 | Mark Owen Endler v Karl Kiur Saar | 7-5,4-6,7-10 |
| ITF M15 Monastir | 2020/09/13 10:30 | Mark Owen Endler v Benedikt Henning | 0-6,3-6 |
| ITF M15 Telde | 2019/11/24 09:00 | Mark Owen Endler v Oriol Fillat Gimenez | 1-6,4-6 |