James Blake defeated Marcelo Rios 4-6 6-4 6-1 in the Tokyo quarter-final on hard. The upset overturned the form book — Marcelo Rios came in leading the head-to-head 1–0. James Blake claimed a first win over Marcelo Rios in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-23 | Boston | R32 | hard | Marcelo Rios | 6-3 7-6(4) |
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 115). ATP, WTA & Challenger.