Stadium: Center Court Round: 44 Ground: Carpet indoor
| 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 |
| ITF M15 Cancun | 2019/11/03 16:00 | Ansari, Austin Ansari v Walder, Jim | 7-6,6-3 |
| Olomouc, Singles M-ITF-CZE-07A | 2019/10/15 09:55 | Samuelsson, Christian v Walder, Jim | 6-3,6-4 |
| Olomouc, Singles M-ITF-CZE-07A | 2019/10/14 10:00 | Walder, Jim v Daniel Paty | 6-4,3-6,10-3 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/08 09:00 | van Der Horst, Tim v Walder, Jim | 6-4,6-0 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/07 13:45 | Galus, Piotr v Walder, Jim | 2-6,6-7 |
| ITF - M25 Nussloch | 2020/01/19 09:00 | Chaukulkar, Tejas v Karlo Cubelic | 4-6,1-6 |
| ITF - M15 Antalya | 2019/12/17 07:00 | Karlo Cubelic v Luca Castagnola | 6-1,6-7,6-10 |
| ITF - M15 Antalya | 2019/12/16 08:00 | Karlo Cubelic v Yehayan, Mikhail | 6-1,6-0 |
| Antalya, Qualifications Simples M-ITF-TUR-33A | 2019/12/09 07:00 | Karlo Cubelic v Kuzey Cekirge | 4-6,6-7 |
| ITF M15 Cancun | 2019/11/21 17:10 | Karlo Cubelic v Brymer, Gage | 2-6,2-6 |
| ITF M15 Cancun | 2019/11/20 17:40 | Karlo Cubelic v Stefani Figlia, B. | 6-3,6-1 |
| ITF M15 Cancun | 2019/11/19 14:00 | Alex Hernandez v Karlo Cubelic | 3-6,6-2,1-10 |
| ITF M15 Cancun | 2019/11/18 13:45 | Alvarez Vergara, Camilo Andres v Karlo Cubelic | 0-6,0-6 |