Began playing tennis at age 6 because his father was a tennis coach. Would go with him to the tennis club and hit against the wall Father, Jaromir and mother, Lenka, own their own small company; sister, Lenka Favourite surface is clay and shot is volley Favourite tournament is Kitzbühel Idol growing up was Novak Djokovic Enjoys watching ice hockey and football, and listening to music If he wasn’t a tennis player, he would have liked to have been a football player. Grew up playing both sports, and at age 13, opted for tennis Fan of Slavia Prague Football team Trains in Prostejov Fitness trainer is Radek Stepanek (no relation to the ATP pro)

Ranking: The Czech has improved year-end ranking in 5 straight seasons (2012-16). Achieved career-high No. 72 on Jan. 9, 2017 after 39-18 campaign on ATP Challenger Tour. Broke into Top 100 on June 13, 2016 after winning Prague, CZE Challenger title. Earned 1st ATP ranking point 2 days after 17th birthday on Oct. 10, 2011 following QF run at Budapest, HUN Futures as Q (d. Godry 60 60 and Szmyrgala, l. to Moneke). Peaked at No. 7 in juniors on Jan. 30, 2012

Milestones: Advanced to 1st ATP World Tour QF at 2016 Kitzbuehel (d. M. Gonzalez and Granollers, l. to Basilashvili). Reached 6 Challenger finals in 2016, winning titles at Prague, CZE (d. Robert in 3 sets) and Banja Luka, BIH (d. Zekic in 3 sets). Captured 1st Challenger title at 2015 Poprad Tatry, SVK (d. Podlipnik-Castillo in 3 sets). Owns records of 94-59at Challengers (3-6 in finals) and 106-50 at Futures (6-0 in finals). Went 72-40 on ITF Juniors Circuit

Grand Slams: Made tour-level debut and earned 1st win at 2016 Roland Garros as LL (d. Carballes Baena in 5 sets, l. to Chardy). Also reached 2R at 2017 Wimbledon (d. Escobedo, l. to Djokovic). Yet to qualify in 6attempts at Grand Slams. Ended junior career in 2012 by reaching singles SFs and doubles finals at Australian Open (l. to Saville, w/Veger l. to Broady/Ward-Hibbert) and Roland Garros (l. to Peliwo, w/Safranek l. to Harris/Kyrgios)

ATP Masters 1000: Lost ATP Masters 1000 main draw debut at 2017 Miami (l. to Fritz). Fell to Albot in 2016 Paris qualifying 1R