Stefan Kozlov defeated Steve Johnson 6-1 6-3 in the Delray Beach round of 16 on hard. Stefan Kozlov extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-07-11 | Newport | R32 | grass | Steve Johnson | 7-5 6-3 |
| 2022-06-13 | Queen's Club | Q1 | grass | Steve Johnson | 6-0 6-0 |
| 2022-02-21 | Acapulco | Q1 | hard | Stefan Kozlov | 6-4 6-3 |
| 2017-06-19 | Queen's Club | R32 | grass | Stefan Kozlov | 3-6 6-1 6-1 |
| 2017-02-20 | Delray Beach | R32 | hard | Steve Johnson | 6-1 6-4 |
| 2016-06-06 | s Hertogenbosch | R16 | grass | Stefan Kozlov | 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (193 vs 105). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Kozlov S.: 3 days rest · 3 matches, 72 games (7d). Higher means fresher. About