| Challenger Liberec | 08/01 08:30 | 25 | [237] Zdenek Kolar v Jeremy Jahn [207] | 3-6,6-4,6-7 | |
| Challenger Praha | 07/28 09:00 | 27 | [127] Adam Pavlasek v Zdenek Kolar [226] | 6-2,7-6 | |
| Challenger Praha | 07/26 12:00 | 26 | [371] Lenny Hampel v Zdenek Kolar [226] | 6-7,0-6 | |
| Challenger Praha | 07/25 10:35 | 25 | [226] Zdenek Kolar v Jozef Kovalik [150] | 2-6,6-3,6-4 | |
| Challenger Poznan | 07/21 09:00 | 27 | [247] Zdenek Kolar v Guido Andreozzi [158] | 5-7,6-3,0-6 | |
| Challenger Poznan | 07/19 13:30 | 26 | [109] Casper Ruud v Zdenek Kolar [247] | 6-7,4-6 | |
| Challenger Poznan | 07/18 09:00 | 25 | [247] Zdenek Kolar v Marek Jaloviec [278] | 6-1,6-0 | |
| ITF Poland F5 | 07/16 09:00 | 29 | [251] Laurynas Grigelis v Zdenek Kolar [254] | Retired | |
| ITF Poland F5 | 07/15 09:00 | 28 | Samuel Bensoussan v Zdenek Kolar | 3-6,4-6 | |
| ITF Poland F5 | 07/14 10:45 | 27 | Elliot Benchetrit v Zdenek Kolar | 1-6,1-6 | |
| ITF Poland F5 | 07/12 10:15 | 26 | Manuel Pena Lopez v Zdenek Kolar | 6-7,2-6 | |
| ITF Poland F5 | 07/11 08:00 | 25 | Ewan Moore v Zdenek Kolar | 2-6,3-6 | |
| Challenger Milan | 06/29 09:00 | 26 | [97] Federico Delbonis v Zdenek Kolar [254] | 6-3,5-7,6-4 | |
| Challenger Milan | 06/27 11:00 | 25 | [306] Alex Bolt v Zdenek Kolar [254] | 5-7,4-6 | |
| Challenger Poprad Tatry | 06/21 12:00 | 26 | [121] Laslo Djere v Zdenek Kolar [272] | 1-6,7-5,7-5 | |
| Challenger Poprad Tatry | 06/20 11:50 | 25 | [265] Danilo Petrovic v Zdenek Kolar [272] | 1-6,3-6 | |
| ITF Poland F1 | 06/18 11:00 | 29 | [270] Kamil Majchrzak v Zdenek Kolar [277] | 3-6,2-6 | |
| ITF Poland F1 | 06/17 12:30 | 28 | Ricardo Hocevar v Zdenek Kolar | 3-6,2-6 | |
| ITF Poland F1 | 06/16 13:00 | 27 | Maxime Tabatruong v Zdenek Kolar | 2-6,3-6 | |
| ITF Poland F1 | 06/14 09:00 | 26 | Kamil Gajewski v Zdenek Kolar | 1-6,3-6 | |
| ITF Poland F1 | 06/12 13:45 | 25 | Jan Zielinski v Zdenek Kolar | 4-6,3-6 | |
| ITF Italy F15 | 06/01 18:00 | 27 | [262] Zdenek Kolar v Yannick Maden [227] | 2-6,3-6 | |
| ITF Italy F15 | 05/31 13:20 | 26 | [262] Zdenek Kolar v Maverick Banes [378] | 6-4,7-5 | |
| ITF Italy F15 | 05/29 12:00 | 25 | Zdenek Kolar v Mirko Martinez | 6-0,6-1 | |
| Challenger Mestre | 05/27 13:35 | 28 | [290] Zdenek Kolar v Sebastian Ofner [270] | 1-6,6-7 | |
| Challenger Mestre | 05/26 12:20 | 27 | Zdenek Kolar v Julian Ocleppo | 7-5,7-5 | |
| Challenger Mestre | 05/25 10:00 | 26 | [290] Zdenek Kolar v Alessandro Bega [319] | 6-4,6-2 | |
| Challenger Mestre | 05/23 11:30 | 25 | [142] John Millman v Zdenek Kolar [290] | 3-6,7-5,2-6 | |
| Challenger Samarkand | 05/17 05:00 | 26 | [288] Zdenek Kolar v Alexey Vatutin [273] | 7-6,4-6,4-6 | |
| Challenger Samarkand | 05/16 09:00 | 25 | [284] Clement Geens v Zdenek Kolar [288] | 4-6,3-6 |
Wikipedia - Zdeněk Kolář
Zdeněk Kolář (Czech pronunciation: [ˈzdɛɲɛk ˈkolaːr̝̊]; born 9 October 1996) is a Czech tennis player. Kolář has a career high ATP singles ranking of World No. 111 achieved on 13 June 2022. He also has a career high doubles ranking of World No. 110 achieved on 1 August 2022.