Michael Chang defeated Petr Korda 6-3 6-4 in the Grand Slam Cup quarter-final on carpet. The upset overturned the form book — Petr Korda came in leading the head-to-head 3–1. Michael Chang narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-18 | Dusseldorf | RR | clay | Petr Korda | 7-6 3-6 6-3 |
| 1997-07-14 | Washington | F | hard | Michael Chang | 5-7 6-2 6-1 |
| 1995-06-26 | Wimbledon | R64 | grass | Petr Korda | 6-4 6-4 6-4 |
| 1990-04-30 | Munich | R32 | clay | Petr Korda | 6-7 7-5 7-6 |
Averages over each player's completed matches in the selected window (200 vs 145). 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