stadio: Court 7 Round: 24 Ground: Hardcourt outdoor
| Challenger Andria | 2018/11/20 21:00 | Tobias Simon v Lorenzo Sonego | 6-7,7-5,5-7 |
| Challenger Andria | 2018/11/19 11:10 | Marc-Andrea Huesler v Tobias Simon | 3-6,7-6,3-6 |
| Challenger Andria | 2018/11/18 14:15 | Tobias Simon v Borna Gojo | 7-6,6-4 |
| Challenger Andria | 2018/11/17 12:10 | Tobias Simon v Savino Lapalombella | 6-0,6-1 |
| Challenger Bratislava | 2018/11/04 09:00 | Aldin Setkic v Tobias Simon | 7-6,6-4 |
| Challenger Bratislava | 2018/11/03 08:30 | Tobias Simon v Roberto Marcora | 6-3,6-4 |
| Challenger Eckental | 2018/10/28 10:00 | Igor Sijsling v Tobias Simon | 3-6,7-6,6-2 |
| Challenger Eckental | 2018/10/27 08:45 | Tobias Simon v Aldin Setkic | 3-6,7-6,7-5 |
| Challenger Noumea | 2018/12/30 23:30 | John Paul Fruttero v Sem Verbeek | 4-6,1-6 |
| Lotto NK Tennis | 2018/12/13 14:00 | Jesse Timmermans v Sem Verbeek | 3-6,6-4,6-1 |
| Challenger Champaign | 2018/11/11 18:45 | Sem Verbeek v Keenan Mayo | 6-7,6-7 |
| Challenger Champaign | 2018/11/10 18:55 | Pavel Krainik v Sem Verbeek | 2-6,6-3,3-6 |
| Challenger Stockton | 2018/09/30 19:35 | Harri Heliovaara v Sem Verbeek | 6-1,6-4 |
| Challenger Stockton | 2018/09/29 19:20 | Sebastian Korda v Sem Verbeek | 6-3,5-7,3-6 |
| ITF Portogallo F16 | 2018/08/25 09:00 | Fred Gil v Sem Verbeek | 6-1,6-2 |
| ITF Portogallo F16 | 2018/08/24 09:00 | Sem Verbeek v Jonathan Binding | 7-6,6-4 |