Stadium: Court10 Vale do Lobo Round: 26
| ITF Portugal F21 | 2018/10/16 14:00 | Goncalo Falcao v Tikhomirov, Maksim | 1-6,3-6 |
| ITF Portugal F20 | 2018/10/13 08:30 | Tikhomirov, Maksim v Goldsteiner, Peter | 3-6,6-3,5-7 |
| ITF Portugal F20 | 2018/10/12 10:00 | Tikhomirov, Maksim v Franco Emanuel Egea | 5-7,6-4,6-3 |
| ITF Portugal F20 | 2018/10/11 17:00 | Tikhomirov, Maksim v Pedro Araujo | 6-4,6-1 |
| ITF Portugal F20 | 2018/10/10 13:15 | Tikhomirov, Maksim v Ferreira, Goncalo | 6-0,6-4 |
| ITF Portugal F18 | 2018/09/26 09:00 | Gleb Sakharov v Tikhomirov, Maksim | 6-3,6-3 |
| ITF Portugal F17 | 2018/09/20 10:00 | Tikhomirov, Maksim v Niklas Schell | 3-6,6-7 |
| ITF Portugal F17 | 2018/09/17 14:45 | Tikhomirov, Maksim v Sao Thiago, Igor | 6-7,6-2,6-3 |
| ITF Portugal F21 | 2018/10/16 15:55 | Matos, Diego v Semmler, Miguel | 6-1,1-6,3-6 |
| Challenger - Barcelone | 2018/10/09 11:00 | Semmler, Miguel v Alessandro Giannessi | 4-6,3-6 |
| ITF Spain F29 | 2018/09/28 10:00 | Salman, Omar v Semmler, Miguel | 6-3,7-5 |
| ITF Spain F29 | 2018/09/27 10:00 | Semmler, Miguel v Martos Gornes, Sergio | 6-1,2-6,6-2 |
| ITF Spain F29 | 2018/09/25 08:30 | Pol Martin Tiffon v Semmler, Miguel | 0-6,6-2,2-6 |
| ITF Spain F28 | 2018/09/19 09:40 | Peter Heller v Semmler, Miguel | 6-1,6-4 |
| ITF Spain F26 | 2018/09/08 14:45 | Semmler, Miguel v Esteve Lobato, Eduard | 3-6,1-6 |
| ITF Spain F26 | 2018/09/08 09:25 | Semmler, Miguel v Orlando Luz | 6-2,6-7,6-2 |