CK
Constantin Bittoun Kouzmine
FRA · Left-handed · 27 yrs · 178 cm
model rank
—
in the world
ATP rank
#433
current
record
228-221
ATP-level
── the model's read
How good is he, really?
Constantin is the model's unrated. The model and the ATP broadly agree (ATP #433). Recent form: 27‑29 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 | 19-22 | 46% | |
| 2025 | 40-31 | 56% | 1 |
| 2024 | 32-31 | 51% | 1 |
| 2023 | 44-34 | 56% | |
| 2022 | 37-29 | 56% | 1 |
| 2021 | 14-24 | 37% | |
| 2020 | 4-5 | 44% | |
| 2019 | 0-9 | 0% | |
| 2018 | 33-26 | 56% | |
| 2017 | 5-8 | 38% | |
| 2015 | 0-1 | 0% | |
| 2014 | 0-1 | 0% |
── filter the record · shareable link
Splits
All 449 matches — pick filters to split the record, serve/return and log below.
── career · point data
Serve & return profile
Serve
aces3.1%
double faults3.6%
1st serve in65%
1st serve won65%
2nd serve won50%
serve pts won60%
hold %73%
Return
return pts won40%
break %27%
BP conversion45%
Under pressure
BP saved (serve)59%
BP saved651/1099
BP conversion45%
Career aggregate over 153 matches with point data · hold/break derived from break-point outcomes.
── 449 matches