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Jan Jermar is a 26-year-old Czech professional on the ATP tour with 1 ranking points. Jermar is a right-hander with a two-handed backhand who stands 191 cm. Jermar was born in Novy Jicin.
Jermar carries an ELO rating of 1466 over 96 rated matches, strongest on grass (1500). Jermar's next scheduled points drop is 1 point from Targu Mures 1 Challenger on September 7, 2026, when that result rolls off the 52-week ranking, and 4 results currently count toward Jermar's ranking total.
<a href="https://atprank.com/player/jan-jermar"><img src="https://atprank.com/api/card/player/jan-jermar" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Jan Jermar won as the betting underdog, ranked by pre-match odds.
Jan Jermar’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Juan Manuel La SernaM15 Bielsko Biala 1 2024 · 6-3 6-7(5) 7-6(3)ELO 1554def. 
Denis Constantin SpiridonM25 Trento 1 2026 · 6-4 6-4ELO 1524def. Gabriele VolpiM15 Grodzisk Mazowiecki 3 2024 · 6-3 6-4ELO 1515def. 
Pablo TrochuM25 Monastir 9 2025 · 2-6 7-6(7) 10-1ELO 1511def. 
David SchwarcM25 Telfs 1 2024 · 7-6(3) 6-2ELO 1506Last match Apr 28, 2026 · last win Feb 15, 2026
Jan Jermar's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.
Peetu Pohjola
Bohua Dong