(UPDATED 19 JANUARY 2026)
- Former World No. 2 junior broke into Top 100 in February 2024 and earned career-high No. 16 in August 2025 soon after becoming fourth man in series history to win 1st title at ATP Masters 1000 event in Miami.
- Also in Miami, defeated No. 4 Fritz and 6-time champion No. 5 Djokovic to join Alcaraz as only teenagers to earn multiple Top 5 wins in one ATP Tour event in this century and became 1st Czech ATP Masters 1000 champion since 2005.
- Reached 1st ATP Tour QF, SF and final at 2024 Doha by defeating former champions Murray, No. 5 Rublev and Monfils, becoming 1st man born in 2005 or later to play in an ATP Tour final.
- In tour-level debut, reached 3R at 2023 US Open as Q, becoming youngest man to reach Grand Slam 3R since Nadal at 2004 Aus. Open and youngest at US Open since Santoro in 1990, losing to Fritz on 18th birthday.
- Also advanced to Grand Slam 3R at 2024 US Open, losing to Borges after holding 3 MPs, 2025 Australian Open, losing to Davidovich Fokina after squandering 2 MPs and 2025 Wimbledon.
- Captured 2nd ATP Tour title at 2026 Auckland, joining Adelaide champion Machac as the first Czech duo to win a men’s tour-level title in the same week since Lendl and Smid in July 1982.
- Owns 33-22 Challenger record, winning 1st title at 2023 Prague-2 in May as No. 333-ranked WC.
- Posted 85-28 record on ITF Juniors circuit, highlighted by reaching 2022 Australian Open boys’ singles final.
