Stadium: Südwestbank 1 Round: 27 Ground: Carpet indoor
| ITF Germany F1 | 2018/01/11 15:00 | Robin Kern v Tobias Simon | 6-3,6-7,6-7 |
| ITF Germany F1 | 2018/01/09 12:25 | Neil Pauffley v Tobias Simon | 3-6,1-6 |
| ITF Thailand F10 | 2017/11/30 03:00 | Tobias Simon v Rubin Statham | 4-6,3-6 |
| ITF Thailand F10 | 2017/11/29 03:00 | Tobias Simon v Borna Gojo | 6-3,6-3 |
| ITF Thailand F10 | 2017/11/27 07:40 | Tobias Simon v Florian Fallert | 7-6,4-6,6-4 |
| Challenger Hua Hin | 2017/11/22 07:00 | Max Purcell v Tobias Simon | 7-6,6-3 |
| Challenger Hua Hin Qual | 2017/11/20 08:30 | Vasko Mladenov v Tobias Simon | 5-7,3-6 |
| Challenger Hua Hin Qual | 2017/11/19 05:45 | Philipp Davydenko v Tobias Simon | 4-6,3-6 |
| ITF Germany F1 | 2018/01/11 14:10 | Christoph Negritu v Gijs Brouwer | 6-2,7-6 |
| ITF Germany F1 | 2018/01/09 11:00 | Duje Kekez v Christoph Negritu | 3-6,3-6 |
| ITF Czech Republic F9 | 2017/11/08 11:50 | Petr Nouza v Christoph Negritu | 6-3,6-3 |
| ITF Germany F16 | 2017/10/25 14:30 | Christoph Negritu v Elmar Ejupovic | 4-6,1-6 |
| ITF Germany F16 | 2017/10/24 12:15 | Anil Yuksel v Christoph Negritu | 3-6,2-6 |
| ITF Germany F15 | 2017/10/17 09:00 | Christoph Negritu v Jonathan Kanar | 5-7,3-6 |
| ITF France F23 | 2017/10/11 08:00 | Christoph Negritu v Antoine Hoang | 2-6,7-5,3-6 |
| ITF France F22 | 2017/10/06 11:15 | Christoph Negritu v David Guez | 5-7,1-6 |