Michael Chang defeated Guillaume Raoux 6-4 6-2 in the Los Angeles round of 16 on hard. The upset overturned the form book — Guillaume Raoux came in leading the head-to-head 2–0, defending last year's semi-final, but Michael Chang had been the form player, winning 2 of their last 8 on hard. Michael Chang claimed a first win over Guillaume Raoux in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-26 | Stuttgart Masters | R64 | carpet | Guillaume Raoux | 7-6(5) 6-3 |
| 1998-01-19 | Australian Open | R64 | hard | Guillaume Raoux | 6-4 7-6(4) 7-6(5) |
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 (189 vs 31). ATP, WTA & Challenger.