Jan_Mertl
Jan Mertl
Czech tennis player
Jan Mertl (born 3 January 1982) is a Czech former tennis player who competed mainly on the ITF Futures Tour and ATP Challenger Tour. On 23 July 2007, he reached his highest ATP singles ranking of 163.[1]
Mertl made his ATP main draw debut at 2016 Swiss Open Gstaad, defeating Yann Marti to score his first ATP-level win.
Mertl is currently serving as the coach of Czech WTA player Markéta Vondroušová.[2]