Tim Smyczek defeated Artem Sitak 6-3 6-3 in the Los Angeles qualifying round of 16 on hard. The upset overturned the form book — Artem Sitak came in leading the head-to-head 2–0, but Tim Smyczek had been the form player, winning 3 of their last 5 on hard. Tim Smyczek claimed a first win over Artem Sitak in three meetings, narrowing the head-to-head to 2–1.
Smyczek T. took it in straight sets.
Tim Smyczek beat Artem Sitak 6-3 6-3. Umpiry, "Tim Smyczek vs Artem Sitak — Los Angeles Qualifying Round of 16", https://umpiry.com/match/2011-07-24/sitak-vs-smyczek-los-angeles-q16?utm_source=cite (as of 24 July 2011).