Stadium: Court 1 Round: 44 Ground: Carpet indoor
| ITF M15 Sarreguemines | 2019/11/17 14:55 | Johann Lars v Alessandro Dragoni | 4-6,2-6 |
| ITF M15 Antalya | 2019/10/16 08:00 | Johann Lars v Milan Welte | 2-6,0-6 |
| ITF M15 Antalya | 2019/10/15 07:00 | Johann Lars v Bulut Ozcelik | 6-1,6-4 |
| ITF M15 Antalya | 2019/10/14 07:00 | Patric Prinoth v Johann Lars | 6-4,6-7,6-10 |
| ITF M15 Antalya | 2019/10/13 07:00 | Danylo Veremeychuk v Johann Lars | 6-4,2-6,3-10 |
| ITF M15 Antalya | 2019/10/08 07:00 | Johann Lars v Mate Voros | 2-6,3-6 |
| ITF M15 Antalya | 2019/10/07 07:00 | Aziz Kijametovic v Johann Lars | 7-6,4-6,7-10 |
| ITF M15 Antalya | 2019/10/06 07:00 | Ron Mansdorf v Johann Lars | 1-6,0-6 |
| ITF M15 Troisdorf | 2019/05/06 07:00 | Zakhar Trapeznikov v Robin Lang | 6-3,2-6,10-3 |
| ITF M25 Nussloch | 2019/01/23 10:00 | Robin Lang v Tim Van Rijthoven | 1-6,2-6 |
| ITF M25 Nussloch | 2019/01/21 16:10 | Kai Wehnelt v Robin Lang | 2-6,1-6 |
| ITF M25 Nussloch | 2019/01/21 10:50 | Robin Lang v Patrick Mayer | 5-7,7-5,10-7 |
| ITF Germany F13 | 2018/08/20 13:00 | Lucas Gerch v Robin Lang | 6-1,6-4 |
| ITF Germany F13 | 2018/08/19 08:00 | Niklas Albuszies v Robin Lang | 2-6,3-6 |
| ITF France F4 Qual | 2018/03/03 12:20 | Maxime Mora v Robin Lang | 6-4,7-5 |
| ITF Switzerland F2 Qual | 2018/02/11 15:05 | Michael Vrbensky v Robin Lang | 6-0,3-6,6-2 |