Stadium: Court 2 Round: 1
| German Masters | 2020/08/06 15:00 | Walder, Jim v Louis Wessels | 4-6,1-6 |
| ITF M15 Loule | 2020/03/08 14:00 | Blake Ellis v Walder, Jim | 3-6,6-4,10-8 |
| ITF - M15 Oberhaching | 2020/02/16 10:00 | Emilien Voisin v Walder, Jim | 6-4,6-2 |
| ITF - M25 Nussloch | 2020/01/20 19:30 | Ryan Nijboer v Walder, Jim | 6-4,6-2 |
| ITF - M25 Nussloch | 2020/01/20 11:20 | Walder, Jim v Karlo Cubelic | 6-3,2-6,10-5 |
| ITF - M25 Nussloch | 2020/01/19 09:00 | Bezjak, Gasper v Walder, Jim | 4-6,2-6 |
| ITF M15 Cancun | 2019/11/17 15:00 | Walder, Jim v Eguez, Sebastian | 4-6,5-7 |
| ITF M15 Cancun | 2019/11/10 16:30 | Walder, Jim v Villar, Yeudy | 4-6,4-6 |
| German Masters | 2020/08/06 07:30 | Benjamin Lock v Khotkov, Oleg | 6-1,6-0 |
| German Masters | 2020/08/05 10:20 | Benjamin Lock v Lucas Gerch | 3-6,4-6 |
| German Masters | 2020/08/04 10:25 | Benjamin Lock v Oscar Moraing | 6-2,6-3 |
| German Premier League | 2020/08/03 12:10 | Benjamin Lock v Louis Wessels | 6-7,6-7 |
| Challenger Potchefstroom | 2020/03/12 09:20 | Lorenzo Musetti v Benjamin Lock | 5-7,5-7 |
| Challenger Potchefstroom | 2020/03/11 08:00 | Benjamin Lock v Prechtel, Sebastian | 7-6,6-1 |
| Coupe Davis | 2020/03/07 10:20 | Benjamin Lock v Hazem Naw | 6-4,6-4 |
| Coupe Davis | 2020/03/06 09:25 | Benjamin Lock v Naow, Amer | 6-3,6-3 |