Father, Jiri, was a professional swimmer; mother, Romana, was professional track-and-field athlete; sister, Veronika.
Started playing tennis with his mother and grandfather.
Left home to begin training in Prostejov as a 15-year-old.
Favourite shot is forehand, surface is hard and city on tour is Kitzbuhel.
Lists Australian Open and US Open as his favourite tournaments.
Tennis idol is Roger Federer.
Favourite movie is Inception, TV show is Game of Thrones and actor is Leonardo DiCaprio.
Lists fish as his favourite food and sweet desserts as his guilty pleasure.
Favourite school subject was geography.
Biggest passions outside tennis include hiking, cycling and skiing. "I have the genes to be a sportsman," he says. "Sport is my passion all the way, up and down."
Credits coach Michal Navratil and his mental coach for having the biggest impact on his career. "I've had a lot of emotions on the tennis court and I'm just trying to be more positive each day," he says. "They have helped me with that. Be more positive and go 100 percent, and with that, the success will come."
(UPDATED 26AUGUST2023)
Achieved career-high No. 30 on 28 August 2023 after reaching his 1st ATP Tour final in Winston-Salem (l. to Baez).Broke into Top 50 in January 2023, Top 100 in February 2022
In Grand Slam play, earned his 1st career Top 10 win over No. 7 Auger-Aliassime in 4R en route to QF at Australian Open (l. to Tsitsipas). Also reached4R at Wimbledon (ret. vs Medvedev due to right foot blisters).
Defeated No. 5 Rublev for biggest win of career and to reach 2023 Doha SF (l. to Murray).
Celebrated 21st birthday during 2022 Next Gen ATP Finals and finished as runner-up (l. to Nakashima).
Qualified in 2022 at Australian Open, Rotterdam, ATP Masters 1000 Monte Carlo, Belgrade and Munich, highlighted by SF run at Rotterdam.
Former World No. 10 junior won 2019 Wimbledon boys’ doubles title with countryman Forejtek.
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