Czech Republic
| Age | 26 (12-04-2000) |
| Country | Czech Republic |
| Birthplace | Novy Jicin |
| Height | 191 |
| Weight | 83 |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface |  Hard |
| Coach | Dusan Lojda |
| Turned Pro | |
| Player Status | Active |
Match Stats
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.37 | 20 / 53 |
| DFs / Game | 0.28 | 15 / 53 |
| 1st Serve % | 63.2% | 223 / 353 |
| 1st Serve Win % | 61.4% | 137 / 223 |
| 2nd Serve Win % | 39.2% | 51 / 130 |
| Service Points Win % | 53.3% | 188 / 353 |
Return Stats
| Opponent Aces / Game | 0.41 | 22 / 53 |
| Opponent Double Faults / Game | 0.24 | 13 / 53 |
| Opponent 1st Serve % | 65.1% | 190 / 292 |
| 1st Return Win % | 30.0% | 57 / 190 |
| 2nd Return Win % | 35.3% | 36 / 102 |
| Return Points Win % | 31.8% | 93 / 292 |
Break Points (Serve)
| Break Points Saved Per Game | 0.50 | 27 / 53 |
| Break Points Faced Per Game | 0.95 | 51 / 53 |
| Break Points Save % | 52.9% | 27 / 51 |
| Service Hold % | 55.1% | 29 / 53 |
Break Points (Rtn)
| Break Points Won Per Game | 0.17 | 9 / 53 |
| Opponent Break Points Per Game | 0.30 | 16 / 53 |
| BP Won % | 56.3% | 9 / 16 |
| Opp Hold % | 83.2% | 44 / 53 |
Jan Jermar Past Matches
 | Ostrava Challenger | |||||
28 Apr 2026 R1 |  | 6 1 6 3 | L |  | H2H 0-0 | |
| Split Challenger | |||||
22 Mar 2026 Q1 | | 6 2 6 4 | L | | H2H 0-0 | |
 | Hersonissos 1 Challenger | |||||
01 Mar 2026 Q1 | | 6 3 6 4 | L | | H2H 0-0 | |
 | M25 Trento 1 | |||||
17 Feb 2026 R1 | | 6 2 6 2 | L | | H2H 0-0 | |
Jan Jermar Surface Summary
| year | All | hard | clay | indoor | grass |
| 2026 | 2-6 | 0-1 | 0-2 | 2-3 | 0-0 |
| 2025 | 8-14 | 2-2 | 1-7 | 5-5 | 0-0 |
| 2024 | 20-19 | 6-4 | 9-8 | 5-7 | 0-0 |
| 2023 | 12-15 | 4-3 | 6-9 | 2-3 | 0-0 |
| 2022 | 13-17 | 2-4 | 8-10 | 3-3 | 0-0 |
| 2021 | 14-22 | 5-5 | 7-14 | 2-3 | 0-0 |
| 2020 | 3-3 | 2-2 | 1-1 | 0-0 | 0-0 |
| 2019 | 1-4 | 0-0 | 1-3 | 0-1 | 0-0 |
| 2018 | 3-8 | 1-3 | 2-5 | 0-0 | 0-0 |
Jan Jermar Performance Breakdown
Tournament Level Breakdown
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 7.1% | 1 / 13 |
| Futures | 44.1% | 75 / 95 |
Opponent Rank Breakdown
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 0 |
| Vs Top.100 | 0.0% | 0 / 0 |
Surface Breakdown
| Overall | 41.7% | 75 / 105 |
| Hard | 47.8% | 22 / 24 |
| Clay | 37.2% | 35 / 59 |
| Indoor | 45.0% | 18 / 22 |
| Grass | 0.0% | 0 / 0 |
Round Breakdown
| Quarter-Final | 0.0% | 0 / 1 |
| Second | 50.0% | 1 / 1 |
| First | 6.9% | 2 / 27 |
| Qualifying Final | 42.4% | 14 / 19 |
| Qualifying R2 | 31.3% | 10 / 22 |
| Qualifying R1 | 56.3% | 49 / 38 |
Jan Jermar Titles/Finals/Semis 
Title
Finals
Jan Jermar interesting Heads to Heads
 Jan Jermar | Draw VIEW H2H |  Daniel Evans | ||
Jan Jermar | Draw VIEW H2H |  Ilie Babinciuc | ||
Jan Jermar | Draw VIEW H2H |  Jozef Kovalik | ||
Jan Jermar | Draw VIEW H2H |  Bharath-Srinivasan Parthasarathy | ||
Jan Jermar | Draw VIEW H2H |  Ricardo Rodriguez-Pace | ||
Jan Jermar | Draw VIEW H2H |  Michael Zhu | ||
Jan Jermar | Draw VIEW H2H |  Pawel Juszczak | ||
Jan Jermar | Draw VIEW H2H |  Dennis Novak | ||
Jan Jermar | Draw VIEW H2H |  Robert Ziganshin | ||
Jan Jermar | Draw VIEW H2H |  David Poljak | ||
Jan Jermar | Draw VIEW H2H |  Jean Erasmus | ||
Jan Jermar | Draw VIEW H2H |  Goncalo Falcao | ||
Upcoming Tennis Predictions & Head to Heads
Baris Boulais Prediction H2H (1-0)
Waldner Wessels Prediction H2H (0-0)
Dell'Elba Coman Prediction H2H (0-0)
Nakashima Buse Prediction H2H (0-0)
Bernet Sebesta Prediction H2H (0-0)
Schell Plunger Prediction H2H (0-0)
Rayen Hermassi Billy Blaydes Prediction H2H (0-0)
 ATP Rankings | |||
|---|---|---|---|
| 1 | 13500 PTS | ||
| 2 | 9960 PTS | ||
| 3 | 7190 PTS | ||
| 4 | 4390 PTS | ||
| 5 | 4070 PTS | ||
| 6 | 4060 PTS | ||
| 7 | 3810 PTS | ||
| 8 | 3760 PTS | ||
| 9 | 3635 PTS | ||
| 10 | 3540 PTS | ||
 Live Tennis Events | |||
|---|---|---|---|
 | HSBC Championships - London Great Britain | ||
 | Terra Wortmann Open - Halle Germany | ||
 | Asuncion Challenger Paraguay | ||
 | Dublin Challenger Ireland | ||
| Nottingham 2 Challenger Great Britain | ||
 | Parma Challenger Italy | ||
 | Poznan Challenger Poland | ||
 | Royan Challenger France | ||
| M15 Bourg-en-Bresse France | ||
 | M15 Constanta Romania | ||
 | M15 Gyula Hungary | ||
 | M15 Irvine United States | ||
 | M15 Kayseri Turkey | ||
 | M15 Kursumlijska Banja Serbia | ||
 | M15 Maanshan China | ||
 | M15 Monastir Tunisia | ||
 | M15 Mungia-Laukariz Spain | ||
| M15 Saarlouis Germany | ||
 | M15 Tokyo Japan | ||
 | M25 Klosters Switzerland | ||
 | M25 Lourinha Portugal | ||
| M25 Milano Italy | ||
 | M25 Samobor Croatia | ||
| M25 Tulsa United States | ||
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