Akira Santillan defeated Stefan Kozlov 6-2 2-6 6-3 in the Surbiton CH round of 32 on grass. The upset overturned the form book — Stefan Kozlov came in leading the head-to-head 1–0. Akira Santillan claimed a first win over Stefan Kozlov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-09 | Houston | Q2 | clay | Stefan Kozlov | 6-2 6-0 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Santillan A.: 19 days rest · Kozlov S.: 11 days rest · 2 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About