Ramkumar Ramanathan defeated Dominik Koepfer 6-4 6-3 in the Winnetka CH quarter-final on hard. The upset overturned the form book — Dominik Koepfer came in ranked #1085, leading the head-to-head 1–0. Ramkumar Ramanathan claimed a first win over Dominik Koepfer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-01 | USA F26 | R32 | hard | Dominik Koepfer | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About