Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF Tunisia F30 | 2018/09/06 09:00 | Benjamin Dhoe v Alexander Merino | 1-6,6-0,6-2 |
| ITF Tunisia F30 | 2018/09/04 12:05 | Alexander Merino v Joshua Ryan | 6-2,6-0 |
| ITF Tunisia F30 | 2018/09/03 09:00 | Alexander Merino v Roman Nashatyrkin | 7-6,7-6 |
| ITF Germany F13 | 2018/08/20 09:00 | Patrick Zahraj v Alexander Merino | 7-5,6-1 |
| ITF Germany F13 | 2018/08/19 08:00 | Ramazan Nureev v Alexander Merino | 0-6,3-6 |
| ITF Netherlands F4 | 2018/08/15 08:00 | Felipe Mantilla v Alexander Merino | 6-1,6-3 |
| ITF Netherlands F4 | 2018/08/13 10:00 | Maikel Borg v Alexander Merino | 6-1,6-1 |
| ITF Netherlands F4 | 2018/08/12 12:00 | Lucas Hellfritsch v Alexander Merino | 4-6,3-6 |
| ITF Tunisia F31 | 2018/09/08 08:30 | Christian Seraphim v Paras Dahiya | 6-3,6-2 |
| ITF Tunisia F30 | 2018/09/06 10:55 | Christian Seraphim v Luke Johnson | 6-7,2-6 |
| ITF Tunisia F30 | 2018/09/04 09:00 | Christian Seraphim v Pedro Munafo | 6-1,6-2 |
| ITF Tunisia F30 | 2018/09/03 11:30 | Christian Seraphim v Stefan Palosi | 6-2,6-4 |
| ITF Tunisia F30 | 2018/09/02 14:00 | Christian Seraphim v Kuzey Cekirge | 6-2,6-3 |
| Challenger Pullach Qual | 2018/08/04 12:10 | Alen Avidzba v Christian Seraphim | 6-3,6-4 |
| ITF Germany F9 | 2018/07/23 10:00 | Christian Seraphim v Constantin Schmitz | 3-6,4-6 |
| ITF Germany F9 | 2018/07/22 15:30 | Christian Seraphim v Oscar Moraing | 6-4,7-6 |