Phillip Harboe defeated Diego Hartfield 3-6 7-6 6-4 in the Chile F4 round of 16 on clay. The upset overturned the form book — Diego Hartfield came in leading the head-to-head 1–0. Phillip Harboe claimed a first win over Diego Hartfield in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-08 | Chile F3 | R16 | clay | Diego Hartfield | 6-3 7-5 |
Averages over each player's completed matches in the selected window (1 vs 42). 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. Small sample — read as indicative. About