| Challenger Nur-Sultan | 02/26 05:00 | 27 | [241] Kacper Zuk v Henri Laaksonen [134] | 4-6,3-6 | |
| Challenger Nur-Sultan | 02/24 07:20 | 26 | [241] Kacper Zuk v Tung-Lin Wu [246] | Retired | |
| Challenger Nur-Sultan | 02/23 04:00 | 25 | [434] Bogdan Bobrov v Kacper Zuk [241] | 2-6,1-6 | |
| Challenger Nur-Sultan | 02/22 10:10 | 25 | Cedrik-Marcel Stebe v Kacper Zuk | Cancelled | |
| Challenger Nur-Sultan | 02/22 08:30 | - | Cedrik-Marcel Stebe v Kacper Zuk | View | |
| Challenger Cherbourg | 02/12 12:35 | 27 | [245] Kacper Zuk v Lukas Rosol [198] | 6-7,6-4,6-7 | |
| Challenger Cherbourg | 02/11 10:00 | 26 | [163] Sebastian Ofner v Kacper Zuk [245] | 3-6,2-6 | |
| Challenger Cherbourg | 02/09 16:20 | 25 | [208] Maxime Janvier v Kacper Zuk [245] | Retired | |
| Challenger Quimper | 01/29 10:00 | 27 | [184] Filip Horansky v Kacper Zuk [267] | 6-3,7-5 | |
| Challenger Quimper | 01/28 12:50 | 26 | [135] Arthur Rinderknech v Kacper Zuk [267] | 6-7,2-6 | |
| Challenger Quimper | 01/26 11:45 | 25 | [267] Kacper Zuk v Peter Gojowczyk [151] | 6-4,6-3 | |
| Challenger Quimper | 01/25 09:30 | 19 | [236] Tobias Kamke v Kacper Zuk [267] | 1-6,4-6 |