Player dossier
Stefan Kozlov
USA
Born Feb 1, 1998
Overall: 1,744Hard: 1,691Clay: 1,644Grass: 1,606
Season record: 4–2Win % 67%
#150Elo•ATP #280
Performance console
Loading Elo history...
Player Skillset
Based on ~209 points across 2 matches
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size
Vulnerable
-4.81% Pctl
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size
Elite
3.399% Pctl
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results
Solid
+0.452% Pctl
Tiebreak win %
—
Insufficient data—
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~209 points across 2 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -4.8 | 1% | Vulnerable |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | 3.3 | 99% | Elite |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +0.4 | 52% | Solid |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Last 10 matches — Global
Total Δ Elo 0.0Loading recent matches...
Elo delta per match
Positive bars = gains • Negative bars = losses
Evaluating Elo deltas...