Bo Ram Cha defeated Cristian Villagran 7-5 7-6 in the Portugal F2 round of 32 on clay. The upset overturned the form book — Cristian Villagran came in leading the head-to-head 3–0. Bo Ram Cha claimed a first win over Cristian Villagran in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-26 | Argentina F1 | F | clay | Cristian Villagran | 6-3 6-3 |
| 2003-04-28 | Argentina 2 | SF | clay | Cristian Villagran | 6-4 6-0 |
| 2003-04-28 | Argentina 3 | QF | clay | Cristian Villagran | 4-6 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.