Jim Grabb defeated Andrei Cherkasov 6-3 7-6 0-6 4-6 6-3 in the Australian Open round of 128 on hard. The upset overturned the form book — Andrei Cherkasov came in leading the head-to-head 1–0, defending last year's round of 64. Jim Grabb claimed a first win over Andrei Cherkasov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-01-06 | Auckland | R32 | hard | Andrei Cherkasov | 6-4 6-7(4) 6-4 |
Averages over each player's completed matches in the selected window (9 vs 31). 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