KI
Kokoro Isomura
JPN · Right-handed · 23 yrs · 175 cm
model rank
—
in the world
ATP rank
#572
current
record
123-122
ATP-level
── the model's read
How good is he, really?
Kokoro is the model's unrated. The model and the ATP broadly agree (ATP #572). Recent form: 28‑30 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 | 11-14 | 44% | |
| 2025 | 33-30 | 52% | |
| 2024 | 40-26 | 61% | 1 |
| 2023 | 25-30 | 45% | |
| 2022 | 13-15 | 46% | |
| 2021 | 1-7 | 13% |
── filter the record · shareable link
Splits
All 245 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces2.8%
double faults5.1%
1st serve in64%
1st serve won66%
2nd serve won49%
serve pts won60%
hold %72%
Return
return pts won39%
break %27%
BP conversion45%
Under pressure
BP saved (serve)59%
BP saved421/719
BP conversion45%
Career aggregate over 103 matches with point data · hold/break derived from break-point outcomes.
── 245 matches