Sebastian Decoud defeated Ignacio Gonzalez King 6-2 7-6 in the Argentina F7 round of 32 on clay. The upset overturned the form book — Ignacio Gonzalez King came in leading the head-to-head 2–0. Sebastian Decoud claimed a first win over Ignacio Gonzalez King in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-03 | Argentina F6 | R16 | clay | Ignacio Gonzalez King | 6-2 6-2 |
| 2003-10-27 | Argentina F5 | QF | clay | Ignacio Gonzalez King | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.