Marcelo Rios defeated Byron Black 6-2 7-5 in the Tokyo round of 32 on hard. The result followed the form book — Marcelo Rios came in leading the head-to-head 4–3. Marcelo Rios extended the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-24 | Davis Cup WG PO: ZIM vs CHI | RR | hard | Byron Black | 7-6(3) 3-6 6-2 7-6(6) |
| 1999-03-15 | Miami Masters | R32 | hard | Marcelo Rios | 6-3 6-4 |
| 1998-08-17 | Indianapolis | R16 | hard | Byron Black | 5-7 6-1 7-5 |
| 1998-01-12 | Auckland | SF | hard | Marcelo Rios | 6-1 6-3 |
| 1997-10-06 | Singapore | R16 | hard | Marcelo Rios | 6-2 6-7(3) 7-6(3) |
| 1997-05-26 | Roland Garros | R64 | clay | Marcelo Rios | 6-7(3) 6-7(0) 6-4 7-6(4) 6-0 |
| 1997-03-03 | Scottsdale | R32 | hard | Byron Black | 6-1 4-6 7-6(5) |
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 (115 vs 23). ATP, WTA & Challenger.