Ronaldo Carvalho defeated Phillip Harboe 6-3 6-2 in the Mexico F10 qualifying round on hard. The upset overturned the form book — Phillip Harboe came in leading the head-to-head 1–0. Ronaldo Carvalho claimed a first win over Phillip Harboe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-25 | Bolivia F2 | R16 | clay | Phillip Harboe | 6-7(4) 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.