Jan Michael Gambill defeated Alex Obrien 6-3 5-7 7-5 in the Washington round of 32 on hard. The upset overturned the form book — Alex Obrien came in leading the head-to-head 1–0, but Jan Michael Gambill had been the form player, winning 3 of their last 8 on hard. Jan Michael Gambill claimed a first win over Alex Obrien in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-01-19 | Australian Open | R128 | hard | Alex Obrien | 3-6 7-5 6-1 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 10). ATP, WTA & Challenger.