Lleyton Hewitt defeated Daniel Vacek 6-1 6-7 6-2 in the Scottsdale round of 32 on hard. The upset overturned the form book — Daniel Vacek came in leading the head-to-head 1–0, but Lleyton Hewitt had been the form player, winning 3 of their last 6 on hard. Lleyton Hewitt claimed a first win over Daniel Vacek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-01-19 | Australian Open | R128 | hard | Daniel Vacek | 6-2 6-4 1-6 2-6 6-3 |
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 (200 vs 27). ATP, WTA & Challenger.