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. 134 achieved on 2 May 2022. He also has a career high doubles ranking of World No. 114 achieved on 16 August 2021.
2018: ATP debut
Kolář played his first match in an ATP tournament, after qualifying for the 2018 Swedish Open. He was defeated in straight sets by defending champion and former Top 10 member David Ferrer.
2021: Three Challenger titles
In 2021, Kolář won 3 ATP Challenger singles titles: in April in Oeiras Portugal, in August in Iasi Romania, in September in Szczecin Poland and 4 ATP Challenger doubles titles.
2022: Grand Slam debut and first win
In 2022, Kolář made his ATP main draw debut in doubles at Chile Open alongside Nikola Milojević. They reached the quarterfinals with a win over local wildcards Alejandro Tabilo and Gonzalo Lama.
In his fifth qualifying attempt, Kolar finally reached the main draw of the 2022 French Open with a straight set win over Franco Agamenone for his Grand Slam main draw debut. He won his first Grand Slam match defeating home favorite and wildcard Lucas Pouille. He lost in the second round to 4th seed Stefanos Tsitsipas in four sets with three tiebreaks in a match that lasted over 4 hours.
9 October 1996