Artem Sitak defeated Matheson Klein 6-0 6-2 in the USA F7 round of 16 on hard.
Sitak A. took it in straight sets.
Artem Sitak beat Matheson Klein 6-0 6-2. Umpiry, "Artem Sitak vs Matheson Klein — USA F7 Round of 16", https://umpiry.com/match/2010-03-01/klein-vs-sitak-usa-f7-r16?utm_source=cite (as of 1 March 2010).