Diego Alvarez defeated Andreas Haider Maurer 6-4 6-4 in the Colombia F1 round of 16 on clay.
Alvarez D. took it in straight sets.
Diego Alvarez beat Andreas Haider Maurer 6-4 6-4. Umpiry, "Diego Alvarez vs Andreas Haider Maurer — Colombia F1 Round of 16", https://umpiry.com/match/2008-01-21/alvarez-vs-maurer-colombia-f1-r16?utm_source=cite (as of 21 January 2008).