ATP Challenger Tour · Quarterfinals · Champaign
Final score
Playing styles and historical archetype record
Wolf
👑 The Complete Package
Kozlov
⚔️ The Gladiator
Matchup analysis
The ⚔️ The Gladiator archetype wins about 54% vs 👑 The Complete Package across 333 matches in our dataset. That is a small stylistic lean for Stefan Kozlov here.
The Gladiator players often use physical intensity and balanced game to pressure the the complete package's elite serve & return. On Hard, that can swing with conditions.
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Wolf | Kozlov |
|---|---|---|
| W-L | 1–2 | 8–8 |
| Avg odds | 1.84 | 1.67 |
| ROI % | -54.0% | -24.9% |
| Units P/L | -1.62u | -3.99u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Prior meetings and scores · 9 career meetings
5
Wolf
4
Kozlov
Jan 31, 2025
Cleveland
H Hard · Quarterfinals
Jul 5, 2024
Bloomfield Hills
H Hard · Quarterfinals
Sep 19, 2022
San Diego
H Hard · Round of 32
Nov 18, 2021
Champaign
H Hard · Semifinals
Nov 6, 2021
Charlottesville
H Hard · Semifinals
Oct 31, 2021
Las Vegas
H Hard · Finals
Sep 25, 2021
Columbus
H Hard · Semifinals
Nov 12, 2019
Champaign
H Hard · Quarterfinals
Jan 8, 2019
Columbus
H Hard · Round of 64
Serve and return comparison · Last 90 days
| Stat | Wolf | Kozlov |
|---|---|---|
| Serve | ||
| 1st Serve In % | 59.9% | 60.6% |
| 1st Serve Pts Won % | 72.3% | 66.3% |
| 2nd Serve Pts Won % | 55.1% | 46.4% |
| Aces / Match | 4.7 | 2.5 |
| Double Faults / Match | 3.3 | 3.6 |
| Break Points Saved % | 54.2% | 56.9% |
| Return | ||
| 1st Return Pts Won % | 35% | 36.5% |
| 2nd Return Pts Won % | 57.1% | 51.8% |
| BP Converted % | 51.6% | 52.2% |
| Rally | ||
| Winners / Match | 26 | 22.4 |
| Unforced Errors / Match | 33.7 | 29.3 |
| Net Pts Won % | 68.4% | 69.4% |
| Total Pts Won % | 53.6% | 50.3% |
| Surface (Hard) | ||
| Hard Win % | 0% | 50% |
Last five matches per player
Clement Tabur
Savannah Challenger · Round of 16
Apr 15
Thomas Faurel
Savannah Challenger · Round of 32
Apr 11
Jack Pinnington Jones
Fayez Sarofim & Co. U.S. Men's Clay Court Championship · 1st Round Qualifying
Mar 30
Stefan Kozlov
Cleveland · Quarterfinals
Jan 31
Jenson Brooksby
Cleveland · Round of 32
Jan 28
Mario Mansilla Diez
Copa Faulconbridge · 1st Round Qualifying
May 1
Alejo Sanchez Quilez
Copa Faulconbridge · 2nd Round Qualifying
May 1
Nick Hardt
Savannah Challenger · Round of 16
Apr 15
Daniil Glinka
Savannah Challenger · Round of 32
Apr 11
James Duckworth
Mexico City Open presentado por Banco BX+ · Round of 16
Apr 9
Matchup overview
J.J. Wolf and Stefan Kozlov face off in the Quarterfinals at Champaign on Hard.
J.J. Wolf leads 5-4 over 9 previous meetings.
J.J. Wolf is 3-2 over the last 5 matches. Latest result: L vs Clement Tabur (Apr 15).
Stefan Kozlov is 2-3 over the last 5 matches. Latest result: W vs Mario Mansilla Diez (May 1).
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