Petra Langrova defeated Naoko Sawamatsu 6-4 3-6 7-5 in the US Open round of 64 on hard. The upset overturned the form book — Naoko Sawamatsu came in defending last year's round of 32.
Key context
Match story:Petra Langrova closed it out in three sets, 6–4 3–6 7–5.