Christian Persico defeated Jonathan Obrist 6-3 6-4 in the Guatemala F1 round of 32 on hard.
Persico C. took it in straight sets.
Christian Persico beat Jonathan Obrist 6-3 6-4. Umpiry, "Christian Persico vs Jonathan Obrist — Guatemala F1 Round of 32", https://umpiry.com/match/2003-01-20/obrist-vs-persico-guatemala-f1-r32?utm_source=cite (as of 20 January 2003).