Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Sharm El Sheikh | 2024/03/17 11:30 | Ben Schneider v Alexander Krylov | 6-7,4-6 |
| ITF M15 Trier | 2022/08/22 08:00 | Alessio Vasquez Gehrke v Mark Simons | 6-4,6-0 |
| ITF M15 Meerbusch | 2022/05/01 13:30 | Mark Simons v Dominik Recek | 1-6,2-6 |
| ITF M25 Faro | 2022/02/27 10:45 | Alberto Barroso Campos v Mark Simons | 6-0,6-2 |
| ITF M15 Oldenzaal | 2021/08/15 10:15 | Adrian Oetzbach v Mark Simons | 6-1,6-2 |
| ITF M25 Wetzlar | 2021/08/02 10:15 | Hendrik Jebens v Mark Simons | 7-5,6-4 |
| ITF USA F32 Qual | 2015/11/06 21:00 | Mark Simons v Rico Gore | 6-0,6-2 |