Michael Chang defeated Hernan Gumy 6-2 6-0 in the Memphis round of 16 on hard. The upset overturned the form book — Hernan Gumy came in leading the head-to-head 1–0. Michael Chang claimed a first win over Hernan Gumy in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-12 | Rome Masters | R64 | clay | Hernan Gumy | 6-3 6-2 |
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 (140 vs 30). ATP, WTA & Challenger.