Lucas Arnold Ker defeated Hernan Gumy 6-1 0-6 6-1 in the Mexico City round of 32 on clay. The upset overturned the form book — Hernan Gumy came in leading the head-to-head 1–0, but Lucas Arnold Ker had been the form player, winning 4 of their last 8 on clay. Lucas Arnold Ker claimed a first win over Hernan Gumy in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Argentina 2 Masters 2 | SF | clay | Hernan Gumy | 6-4 6-3 |
Averages over each player's completed matches in the selected window (41 vs 122). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About