JC
Jonathan Chang
USA · 34 yrs
model rank
—
in the world
ATP rank
#1309
current
record
17-42
ATP-level
── the model's read
How good is he, really?
Jonathan is the model's unrated. The model and the ATP broadly agree (ATP #1309).
── 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 |
|---|---|---|---|
| 2018 | 6-9 | 40% | |
| 2017 | 4-18 | 18% | |
| 2016 | 6-7 | 46% | |
| 2015 | 1-6 | 14% | |
| 2013 | 0-2 | 0% |
── filter the record · shareable link
Splits
All 59 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces1.5%
double faults3.6%
1st serve in60%
1st serve won58%
2nd serve won42%
serve pts won52%
hold %56%
Return
return pts won35%
break %13%
BP conversion22%
Under pressure
BP saved (serve)50%
BP saved34/68
BP conversion22%
Career aggregate over 8 matches with point data · hold/break derived from break-point outcomes.
── 59 matches