JJ
Jan Jermar
CZE · Right-handed · 26 yrs · 191 cm
model rank
—
in the world
ATP rank
#2142
current
record
4-38
ATP-level
── the model's read
How good is he, really?
Jan is the model's unrated. The model and the ATP broadly agree (ATP #2142). Recent form: 1‑10 over the last 52 weeks.
── surface Elo
By surface
Hard—
Clay—
Grass—
── vs the rated field
Scouting
overall Eloinsufficient data
serve ratinginsufficient data
return ratinginsufficient data
percentile across players with a current rating
── model Elo over time
Elo trajectory
Elo — not enough data
── ATP ranking over time · lower is better
Ranking trajectory
── nearest on the rating profile
Similar players
Not enough rating data to find similar players.
── year by year
Seasons
| year | W-L | win% | titles |
|---|---|---|---|
| 2026 | 0-4 | 0% | |
| 2025 | 1-9 | 10% | |
| 2024 | 3-11 | 21% | |
| 2023 | 0-5 | 0% | |
| 2022 | 0-5 | 0% | |
| 2021 | 0-2 | 0% | |
| 2018 | 0-2 | 0% |
── filter the record · shareable link
Splits
All 42 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces5.5%
double faults4.6%
1st serve in61%
1st serve won63%
2nd serve won44%
serve pts won55%
hold %60%
Return
return pts won31%
break %11%
BP conversion38%
Under pressure
BP saved (serve)50%
BP saved68/136
BP conversion38%
Career aggregate over 17 matches with point data · hold/break derived from break-point outcomes.
── 42 matches