Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F8 | 2018/03/01 09:30 | Marc Sieber v Marko Miladinovic | 6-7,6-4,4-6 |
| ITF Turkey F8 | 2018/02/28 08:30 | Marc Sieber v Ivan Davydov | 6-3,6-3 |
| Challenger Bergamo Qual | 2018/02/18 10:50 | Marc Sieber v Yannick Jankovits | 2-6,6-3,3-6 |
| Challenger Bergamo Qual | 2018/02/17 12:00 | Daniel Masur v Marc Sieber | 3-6,3-6 |
| Challenger Budapest Qual | 2018/02/04 11:30 | Marc Sieber v Alessandro Bega | 7-6,0-6,5-7 |
| Challenger Budapest Qual | 2018/02/03 08:30 | Jurabek Karimov v Marc Sieber | 1-6,3-6 |
| ITF Turkey F3 | 2018/01/26 09:30 | Dimitar Kuzmanov v Marc Sieber | 2-6,7-5,7-5 |
| ITF Turkey F3 | 2018/01/25 10:00 | Timur Kiyamov v Marc Sieber | 6-4,1-6,3-6 |
| ITF Portugal F4 | 2018/03/12 11:00 | Yann Marti v Joao Antonio | 6-0,6-4 |
| ITF Portugal F4 | 2018/03/11 11:30 | Yann Marti v Simao Alves | 6-0,6-1 |
| ITF Portugal F4 | 2018/03/10 16:30 | Yann Marti v Joao Giannella | 6-1,6-2 |
| ITF Portugal F3 | 2018/03/10 11:00 | Yann Marti v Fred Gil | 5-7,4-6 |
| ITF Portugal F3 | 2018/03/07 13:00 | Yann Marti v Thomas George Brun | 6-0,6-0 |
| ITF France F3 | 2018/01/23 13:55 | Igor Sijsling v Yann Marti | 6-3,6-0 |
| ITF France F3 Qual | 2018/01/21 12:10 | Yann Marti v Joffrey De Schepper | 7-6,6-2 |
| ITF France F3 Qual | 2018/01/20 12:35 | Yann Marti v Louroi Martinez | 6-0,6-3 |