Speaks Spanish, German, Russian, French and English.
Father, Alfred, isGerman; mother, Margarita, is Russian.
Favourite surface is hard.
Idols growing up were Roger Federer, Boris Becker and Steffi Graf.
Became interested in tennis by watching matches on TV.
Enjoys cars and music.
(UPDATED 8 JANUARY 2021)
Earned 1st FedEx ATP Rankings point at age 15, broke into Top 200 at age 18 and achieved career-high No. 174 at age 19.
Advanced to 2R at 2018 ATP Masters 1000 Miami as WC, 2019 Barcelona as WC and 2021 Antalya.
Won 1st of 2 career Challenger titles at 2017 Braunschweig as 17-year-old Q playing in his 2nd Challenger event.
Peaked at No. 5 in juniors, posting wins over future Top-20 ATP players Auger-Aliassime and de Minaur before ending career as 2017 Roland Garros boys’ singles finalist and boys’ doubles champion w/Piros.
Speaks Spanish, German, Russian, French and English after being born in Austria to a German father and Russian mother.