Stadium: Court 4 Round: 46 Ground: Hardcourt outdoor
| Challenger Leon Qual | 2018/04/21 17:00 | Federico Zeballos v Tobias Simon | 4-6,6-4,3-6 |
| Challenger Mallorca | 2018/08/26 10:45 | Yannick Mertens v Tobias Simon | 7-6,4-6,4-6 |
| Challenger Pullach Qual | 2018/08/04 15:25 | Zizou Bergs v Tobias Simon | 6-4,7-6 |
| ITF Italy F21 | 2018/08/03 14:30 | Joao Souza v Tobias Simon | 7-6,7-6 |
| ITF Italy F21 | 2018/08/02 13:00 | Tobias Simon v Riccardo Balzerani | 6-2,7-6 |
| ITF Italy F21 | 2018/08/01 15:20 | Tobias Simon v Luca Tomasetto | 7-6,6-3 |
| ITF Italy F21 | 2018/07/31 18:00 | Tobias Simon v Horst Rieder | 6-2,6-4 |
| ITF Portugal F12 | 2018/07/27 11:30 | Nuno Borges v Tobias Simon | 6-7,6-2,6-4 |
| ITF Portugal F12 | 2018/07/26 15:00 | Simon Carr v Tobias Simon | 4-6,3-6 |
| Challenger Mallorca | 2018/08/26 11:30 | Federico Zeballos v Marc Sieber | 3-6,6-1,6-3 |
| ITF Spain F24 | 2018/08/21 11:40 | Ivan Gakhov v Federico Zeballos | 6-1,6-4 |
| ITF Spain F23 | 2018/08/16 09:30 | Federico Zeballos v Alvaro Lopez San Martin | 3-6,3-6 |
| ITF Spain F23 | 2018/08/15 09:30 | Federico Zeballos v Boris Arias | 6-0,6-2 |
| ITF Spain F22 | 2018/08/10 17:00 | Federico Zeballos v Andres Artunedo Martinavarr | 2-6,1-6 |
| ITF Spain F22 | 2018/08/09 18:10 | Federico Zeballos v Juan P Canas Garcia | 6-7,6-2,6-2 |
| ITF Spain F22 | 2018/08/07 20:00 | Federico Zeballos v Andres F Canovas | 7-5,6-4 |
| Challenger Segovia Qual | 2018/07/29 16:55 | Federico Zeballos v Nam Hoang Ly | 0-6,5-7 |