Pablo Cuevas defeated Sebastian Decoud 6-4 6-4 in the Argentina F1 round of 16 on clay. The upset overturned the form book — Sebastian Decoud came in leading the head-to-head 1–0. Pablo Cuevas claimed a first win over Sebastian Decoud in two meetings, levelling the head-to-head at 1–1.
Cuevas P. took it in straight sets.
Pablo Cuevas beat Sebastian Decoud 6-4 6-4. Umpiry, "Pablo Cuevas vs Sebastian Decoud — Argentina F1 Round of 16", https://umpiry.com/match/2006-03-13/cuevas-vs-decoud-argentina-f1-r16?utm_source=cite (as of 13 March 2006).