Byron Black defeated Jonas Bjorkman 6-3 7-6 6-1 in the US Open round of 32 on hard. The upset overturned the form book — Jonas Bjorkman came in leading the head-to-head 2–1, defending last year's quarter-final, but Byron Black had been the form player, winning 1 of their last 4 on hard. Byron Black narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-15 | Nottingham | F | grass | Jonas Bjorkman | 6-3 6-2 |
| 1998-06-08 | Queen's Club | R16 | grass | Byron Black | 6-3 4-6 6-3 |
| 1998-01-19 | Australian Open | R16 | hard | Jonas Bjorkman | 6-2 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). 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