Wikipedia - Jiří Lehečka
Jiří Lehečka (born 8 November 2001) is a Czech professional tennis player. Lehečka has a career high ATP singles ranking of world No. 23 achieved on 15 January 2024. He also has a career high ATP doubles ranking of No. 144 achieved on 15 January 2024. He is currently the No. 1 Czech player in singles. Lehečka has a career high ITF junior combined ranking of No. 10 achieved on 11 March 2019.