Juan Martin del Potro defeated Sebastian Decoud 7-5 7-5 in the Chile F1 round of 16 on clay. The upset overturned the form book — Sebastian Decoud came in leading the head-to-head 1–0. Juan Martin del Potro claimed a first win over Sebastian Decoud in two meetings, levelling the head-to-head at 1–1.
del Potro J. took it in straight sets.
Juan Martin del Potro beat Sebastian Decoud 7-5 7-5. Umpiry, "Juan Martin del Potro vs Sebastian Decoud — Chile F1 Round of 16", https://umpiry.com/match/2005-04-04/decoud-vs-potro-chile-f1-r16?utm_source=cite (as of 4 April 2005).