(UPDATED 18 JANUARY 2026)
- Broke into Top 20 at career-high No. 16 in September 2025 after run to US Open QF, joining Berdych, P. Korda and Lendl as only Czech men to advance to quarter-finals of both hard-court Grand Slam events.
- Defeated No. 5 Rublev en route to 1st ATP Masters 1000 QF at 2024 Indian Wells before defeating No. 4 Medvedev via RET to reach 1st ATP Masters 1000 SF at 2024 Madrid and No. 3 Alcaraz to advance to 2025 Doha SF.
- In Australia, earned wins over No. 12 Norrie and No. 7 Auger-Aliassime en route to 2023 Australian Open QF and captured both ATP Tour titles at 2024 Adelaide and 2025 Brisbane.
- Reached 1st ATP Tour SF at 2022 Rotterdam as Q after defeating No. 12 Shapovalov in 1R for 1st ATP Tour win.
- Celebrated 21st birthday during 2022 Next Gen ATP Finals and finished as runner-up.
- Former World No. 10 junior won 2019 Wimbledon boys’ doubles title with countryman Forejtek.