Michael Stich defeated Guy Forget 6-4 6-4 6-4 in the Australian Open quarter-final on hard. The upset overturned the form book — Guy Forget came in leading the head-to-head 2–1, defending last year's round of 64. Michael Stich narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-12-09 | Grand Slam Cup | QF | carpet | Michael Stich | 7-6 6-4 |
| 1991-01-14 | Australian Open | R32 | hard | Guy Forget | 7-6(5) 7-6(6) 4-6 6-3 |
| 1990-06-25 | Wimbledon | R32 | grass | Guy Forget | 3-6 7-6 6-2 4-6 6-3 |
Averages over each player's completed matches in the selected window (30 vs 5). 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