| Challenger Alicante | 10/13 09:30 | 26 | [172] Kacper Zuk v Lucas Miedler [320] | 5-7,3-6 | |
| Challenger Alicante | 10/11 14:15 | 25 | [172] Kacper Zuk v Teymuraz Gabashvili [270] | 5-7,7-6,6-3 | |
| ATP Sofia | 09/26 15:30 | 14 |
[168] Kacper Zuk v
Tomas Machac
[138] 
|
4-6,2-6 | |
| ATP Nur-Sultan | 09/19 11:50 | 14 |
[270] Pavel Kotov
v
Kacper Zuk [162] |
6-2,6-3 | |
| Challenger Rennes | 09/16 19:15 | 26 |
[162] Kacper Zuk v
Benjamin Bonzi
[76] 
|
6-7,3-6 | |
| Challenger Rennes | 09/14 08:30 | 25 | Kacper Zuk v Mats Rosenkranz | 7-5,6-3 | |
| Challenger Cassis | 09/11 13:35 | 28 |
[94] Benjamin Bonzi
v
Kacper Zuk [173] |
6-3,6-4 | |
| Challenger Cassis | 09/10 10:20 | 27 |
[185] Thanasi Kokkinakis
v
Kacper Zuk [173] |
4-6,6-7 | |
| Challenger Cassis | 09/08 13:30 | 26 | [240] Tatsuma Ito v Kacper Zuk [173] | 5-7,3-6 | |
| Challenger Cassis | 09/06 15:00 | 25 |
[173] Kacper Zuk v
Jurij Rodionov
[140] 
|
6-3,6-3 | |
| Challenger Mallorca | 09/01 17:50 | 25 | [173] Kacper Zuk v Dimitar Kuzmanov [235] | 3-6,4-6 | |
| US Open | 08/26 23:00 | 15 |
[173] Kacper Zuk v
Quentin Halys
[184] 
|
6-7,4-6 | |
| US Open | 08/25 20:25 | 14 |
[123] Yasutaka Uchiyama
v
Kacper Zuk [173] |
5-7,6-7 | |
| ATP Gstaad | 07/20 08:30 | 25 | [170] Kacper Zuk v Dennis Novak [124] | 4-6,4-6 | |
| ATP Gstaad | 07/18 09:00 | 19 | [170] Kacper Zuk v Sandro Ehrat [397] | 6-2,4-6,2-6 | |
| ATP Gstaad | 07/17 12:30 | 14 |
[170] Kacper Zuk v
Andrea Vavassori
[370] 
|
6-3,3-6,6-2 | |
| Polish National Tour | 07/16 12:00 | - |
Kamil Majchrzak
v
Kacper Zuk |
7-6,6-1 | |
| Polish National Tour | 07/15 10:35 | - | Daniel Michalski v Kacper Zuk | 2-6,4-6 | |
| Polish National Tour | 07/14 11:50 | - | Michal Mikula v Kacper Zuk | 3-6,2-6 | |
| Challenger Braunschweig | 07/04 09:00 | 14 | Kacper Zuk v Tim Sandkaulen | 6-2,3-6,6-7 | |
| Wimbledon | 06/23 12:45 | 19 | [118] Denis Kudla v Kacper Zuk [169] | 7-6,6-4 | |
| Wimbledon | 06/22 13:45 | 14 | [169] Kacper Zuk v Lukas Rosol [194] | 6-3,6-3 | |
| Challenger Nottingham | 06/14 11:40 | 19 |
Kacper Zuk v
Ramkumar Ramanathan
|
3-6,7-6,1-6 | |
| Challenger Nottingham | 06/14 11:30 | - | Kacper Zuk v Ramkumar R'anathan | 3-6,7-6,1-5 | |
| Challenger Nottingham Qual | 06/13 13:20 | 14 | Kacper Zuk v Lui Maxted | 6-2,6-1 | |
| Challenger Biella | 06/04 12:00 | 27 |
[173] Kacper Zuk v
Tomas Martin Etcheverry
[220] 
|
4-6,3-6 | |
| Challenger Biella | 06/02 11:30 | 26 | [173] Kacper Zuk v Andrea Pellegrino [235] | 7-5,7-5 | |
| Challenger Biella | 06/01 08:00 | 25 | [173] Kacper Zuk v Raul Brancaccio [328] | 6-4,6-2 | |
| French Open | 05/24 20:30 | 14 | [216] Blaz Kavcic v Kacper Zuk [173] | 6-2,7-6 | |
| Challenger Zagreb | 05/12 13:20 | 26 |
[171] Kacper Zuk v
Pedro Martinez
[94] 
|
6-7,2-6 |
Wikipedia - Kacper Żuk
Kacper Żuk (born 21 January 1999) is a former Polish professional tennis player.
Żuk has a career high ATP singles ranking of World No. 162 achieved on 13 September 2021. He also has a career-high ATP doubles ranking of World No. 278, achieved on 9 May 2022.
Żuk has reached ten career singles finals with a record of 11 wins and 3 losses, which includes a 1–2 record in ATP Challenger Tour finals. Additionally, he has reached 21 career doubles finals, with a record of 12 wins and 9 losses all but one occurring at the ITF Futures level.