JK
Jonas Kucera
CZE · Right-handed · 19 yrs
model rank
—
in the world
ATP rank
#1370
current
record
10-15
ATP-level
── the model's read
How good is he, really?
Jonas is the model's unrated. The model and the ATP broadly agree (ATP #1370). Recent form: 6‑9 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 | 2-1 | 67% | |
| 2025 | 5-10 | 33% | |
| 2024 | 3-4 | 43% |
── filter the record · shareable link
Splits
All 25 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces2.0%
double faults5.8%
1st serve in59%
1st serve won57%
2nd serve won43%
serve pts won51%
hold %54%
Return
return pts won44%
break %37%
BP conversion51%
Under pressure
BP saved (serve)45%
BP saved79/176
BP conversion51%
Career aggregate over 20 matches with point data · hold/break derived from break-point outcomes.
── 25 matches