Jan Jermář

Jan Jermář (born 12 April 2000) is a Czech tennis player.

Jan Jermář

Country (sports)	Czech Republic
Born	(2000-04-12) 12 April 2000 (age 25) Nový Jičín, Czech Republic
Height	1.91 m (6 ft 3 in)
Plays	Right-handed (two-handed backhand)
Prize money	$20,401
Singles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 1489 (16 September 2024)
Current ranking	No. 1580 (21 April 2025)
Doubles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	1 Challenger, 8 ITF
Highest ranking	No. 309 (7 April 2025)
Current ranking	No. 309 (21 April 2025)
Medal record Representing  Czech Republic World University Games 2025 Rhine-Ruhr Mixed doubles
Last updated on: 30 July 2025.

Jermář has a career high ATP singles ranking of 1489 achieved on 16 September 2024. He also has a career high ATP doubles ranking of 309 achieved on 7 April 2025.^[1]

Jermář has won one ATP Challenger doubles title at the 2025 Ostra Group Open.