Prediction: Stefan Kozlov vs Garrett Johns
Our model (Elo on clay, opponent-adjusted) gives 50% to Stefan Kozlov; the market gives 69% to Stefan Kozlov (odds 1.36).
Recent form leaves Stefan Kozlov with 6 wins and 4 losses over 10 games; Garrett Johns has piled up 7-3 in the same span.
| Stefan Kozlov | Garrett Johns | |
|---|---|---|
| Our model | 50% | 50% |
| Market | 69% | 31% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Match keys
- Head-to-head: Stefan Kozlov 1–0 Garrett Johns (1).
Statistics
| Stefan Kozlov | Garrett Johns | |
|---|---|---|
| Win % | 60% | 60% |
| Win % · Clay | 56% (9) | 63% (8) |
| Sets (G-P) | 1.3-1 | 1.3-0.9 |
| Games (G-P) | 11.3-9.7 | 11-9.1 |
| Aces | 1.2 | 2.7 |
| Double faults | 2.9 | 1.1 |
| 1st serve % | 65% | 66.8% |
| Break % | 50.1% | 28.8% |
H2H · Stefan Kozlov 1 – 0 Garrett Johns (1)
Head-to-head (H2H) · Stefan Kozlov 1–0 Garrett Johns
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| Date | Sets | Games | Res. |
|---|---|---|---|
| 04/06/19 Challenger Little Rock | 2-0 | 13-8 | W |
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Stefan Kozlov
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 05/07 | Aidan Mayo Challenger Newport · Grass |
2-1 | 18-16 | W |
| 12/05 | Alejo Sanchez Quilez Challenger Valencia · Clay |
0-2 | 9-13 | L |
| 11/05 | Mario Mansilla Diez Challenger Valencia · Clay |
2-0 | 12-3 | W |
| 22/04 | Nick Hardt Challenger Savannah · Clay |
1-2 | 8-14 | L |
| 20/04 | Daniil Glinka Challenger Savannah · Clay |
2-0 | 12-5 | W |
| 14/04 | Alex Rybakov Challenger Tallahassee · Clay |
0-2 | 8-13 | L |
| 13/04 | Kilian Feldbausch Challenger Tallahassee · Clay |
2-1 | 17-13 | W |
| 12/04 | Strong Kirchheimer Challenger Tallahassee · Clay |
2-0 | 12-4 | W |
| 09/04 | James Duckworth Challenger Mexico City · Clay |
0-2 | 5-12 | L |
| 06/04 | Raphael Perot Challenger Mexico City · Clay |
2-0 | 12-4 | W |
Garrett Johns
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 05/07 | Blake Ellis Challenger Newport · Grass |
2-0 | 12-7 | W |
| 01/06 | Olaf Pieczkowski Challenger Tyler · Hard |
1-2 | 15-16 | L |
| 11/05 | Eero Vasa Challenger Oeiras · Clay |
0-2 | 5-12 | L |
| 11/05 | Francisco Rocha Challenger Oeiras · Clay |
2-0 | 13-9 | W |
| 04/05 | Frederico Ferreira Silva Challenger Francavilla · Clay |
0-2 | 2-12 | L |
| 03/05 | Michalis Sakellaridis Challenger Francavilla · Clay |
2-0 | 12-2 | W |
| 29/04 | Marco Cecchinato Challenger Ostrava · Clay |
0-2 | 9-13 | L |
| 28/04 | Jan Jermar Challenger Ostrava · Clay |
2-0 | 12-4 | W |
| 27/04 | Dominik Recek Challenger Ostrava · Clay |
2-1 | 18-13 | W |
| 26/04 | Pawel Juszczak Challenger Ostrava · Clay |
2-0 | 12-3 | W |
Frequently asked questions
Who is the favourite in Stefan Kozlov vs Garrett Johns?
Our model gives 60% to Stefan Kozlov, using surface Elo on clay.
What is the prediction based on?
On an Elo model by surface (clay) adjusted for opponent quality, compared with the market odds.

