Ignacio Gonzalez King defeated Juan Pablo Guzman 4-6 6-1 6-4 in the Argentina 2 Masters 1 round of 16 on clay. The upset overturned the form book — Juan Pablo Guzman came in leading the head-to-head 2–0. Ignacio Gonzalez King claimed a first win over Juan Pablo Guzman in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-01 | Brazil F6 | R32 | clay | Juan Pablo Guzman | 6-2 6-1 |
| 2000-08-14 | Argentina F10 | R32 | clay | Juan Pablo Guzman | 4-6 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.