Stefan Kozlov defeated Adrian Menendez Maceiras 7-5 6-3 in the M25 Porto 1 round of 16 on hard. The upset overturned the form book — Adrian Menendez Maceiras came in leading the head-to-head 2–0. Stefan Kozlov claimed a first win over Adrian Menendez Maceiras in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-05 | Indian Wells Masters | Q1 | hard | Adrian Menendez Maceiras | 6-2 7-6 |
| 2017-07-17 | Newport | R32 | grass | Adrian Menendez Maceiras | 6-2 7-6 |
Averages over each player's completed matches in the selected window (199 vs 89). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kozlov S.: 10 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