Nickname is Hanfi Suffers from a hearing impairment in both ears Began playing tennis at age 5 with parents Father, Stephen, is a doctor; mother, Karin, is a teacher; sister, Ini Enjoys playing on all surfaces Favourite shot is backhand and tournament is Munich Idols growing up were Roger Federer, Juan Carlos Ferrero and basketball player Kobe Bryant If he wasn't a tennis player, he would be an NBA player Dreams of playingin NBA All-Star Celebrity Game SupportsKarlsruher SC (Football), Dallas Mavericks (NBA) and Green Bay Packers (NFL) Played 4 years of college tennis at University of Southern California (2012-15), where he helped Trojans win 2 NCAA national titles Plans to support Cheetah Outreach preservation center in Cape Town once he's made enough money in tennis

Hearing-impaired player broke into Top 100 in 2018 and achieved career-high No. 45 in July 2023 after biggest win of career vs. No. 5 Tsitsipas at 2023 Mallorca en route to 6th ATP Tour SF

Earned wins over No. 9 Fritz and No. 6 Rublev to reach 1st ATP Masters 1000 QF at 2023 Rome

Qualified en route to 1st ATP Tour final at 2017 Gstaad and 2nd final at 2020 Kitzbuhel

Captured 1st Top 10 win of career over No. 9 Monfils at 2020 Hamburg, where he accepted main draw WC instead of playing qualifying at Roland Garros

Posted 1st Grand Slam main draw win in 7th try at 2022 Australian Open as Q (d. Kokkinakis)

Captured 6 Challenger titles after playing for University of Southern California (2012-15), where he helped Trojans win 2 NCAA national titles