Grant Doyle defeated David Adams 6-3 6-2 in the Australia 1 Masters 1 round of 32 on carpet. The upset overturned the form book — David Adams came in leading the head-to-head 1–0. Grant Doyle claimed a first win over David Adams in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-10 | Australia 1 Masters 4 | R16 | carpet | David Adams | 4-6 6-3 6-3 |
Averages over each player's completed matches in the selected window (6 vs 1). 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. Small sample — read as indicative. About