| Challenger Cherbourg | 02/09 18:10 | 25 | Kacper Zuk v Pierre-Hugues Herbert | 2-6,6-7 | |
| ATP Montpellier | 02/01 13:30 | 25 | [259] Jo-Wilfried Tsonga v Kacper Zuk [172] | 6-4,6-4 | |
| ATP Montpellier | 01/31 11:00 | 19 | [172] Kacper Zuk v Roman Safiullin [148] | 6-4,6-7,7-5 | |
| ATP Montpellier | 01/30 10:00 | 14 | [91] Henri Laaksonen v Kacper Zuk [171] | 2-6,6-1,3-6 | |
| Challenger Quimper | 01/27 14:25 | 26 | [258] Tim Van Rijthoven v Kacper Zuk [171] | 7-5,6-4 | |
| Challenger Quimper | 01/25 18:40 | 25 | [171] Kacper Zuk v Gilles Simon [123] | 7-6,4-6,6-3 | |
| Challenger Forli | 01/17 15:55 | 25 | [171] Kacper Zuk v Tung-Lin Wu [268] | 6-4,3-6,5-7 | |
| Australian Open | 01/11 06:00 | 14 | [127] Liam Broady v Kacper Zuk [171] | 4-6,6-1,6-2 | |
| Challenger Bratislava | 11/11 10:00 | 26 | [169] Kacper Zuk v Jiri Lehecka [164] | 6-2,3-6,2-6 | |
| Challenger Bratislava | 11/10 09:00 | 25 | [389] Shintaro Mochizuki v Kacper Zuk [169] | 6-7,3-6 | |
| Challenger Bratislava | 11/10 09:00 | 25 | [118] Gilles Simon v Kacper Zuk [169] | Cancelled | |
| Challenger Eckental | 11/02 17:05 | 25 | [199] Maximilian Marterer v Kacper Zuk [163] | 6-3,6-4 | |
| Challenger Ismaning | 10/29 10:30 | 27 | [141] Maxime Cressy v Kacper Zuk [163] | 6-7,6-4,7-6 | |
| Challenger Ismaning | 10/27 13:55 | 26 | [163] Kacper Zuk v Andreas Seppi [98] | 4-6,6-4,7-6 | |
| Challenger Ismaning | 10/25 17:15 | 25 | [244] Vitaliy Sachko v Kacper Zuk [163] | 2-6,4-6 | |
| 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 |
Wikipedia - Kacper Żuk
Kacper Żuk (born 21 January 1999) is a 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.