Nicolas Lapentti defeated Byron Black 6-2 6-2 in the Tokyo quarter-final on hard. The upset overturned the form book — Byron Black came in leading the head-to-head 1–0, defending last year's round of 32. Nicolas Lapentti claimed a first win over Byron Black in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-15 | Nottingham | R32 | grass | Byron Black | 6-0 6-2 |
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 71). ATP, WTA & Challenger.