JK
Jan Kobierski
AUT · Right-handed · 22 yrs · 183 cm
model rank
—
in the world
ATP rank
#2175
current
record
8-26
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 #2175). Recent form: 0‑4 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 |
|---|---|---|---|
| 2025 | 0-5 | 0% | |
| 2024 | 4-7 | 36% | |
| 2023 | 3-7 | 30% | |
| 2022 | 1-7 | 13% |
── filter the record · shareable link
Splits
All 34 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces2.7%
double faults3.9%
1st serve in51%
1st serve won55%
2nd serve won43%
serve pts won49%
hold %48%
Return
return pts won32%
break %16%
BP conversion43%
Under pressure
BP saved (serve)47%
BP saved28/60
BP conversion43%
Career aggregate over 7 matches with point data · hold/break derived from break-point outcomes.
── 34 matches