Diego Schwartzman defeated Lukas Klein 6-4 6-2 in the Buenos Aires round of 16 on clay. The result followed the form book — Diego Schwartzman came in defending last year's semi-final.
Schwartzman D. took it in straight sets.
Diego Schwartzman beat Lukas Klein 6-4 6-2. Umpiry, "Diego Schwartzman vs Lukas Klein — Buenos Aires Round of 16", https://umpiry.com/match/2021-03-01/klein-vs-schwartzman-buenos-aires-r16?utm_source=cite (as of 1 March 2021).