Pakistan, July 30 -- Venus Williams was ousted in the first round of the Mubadala DC Open on Tuesday, taking a 6-3, 6-3 loss against Austria's Anastasia Potapova in Washington.

Williams, the 46-year-old star whose last singles win came at this event last year, won 78.4% of her first-serve points but just 24.1% of her second-serve points and 20% of her return points. Potapova put just 44.4% of her first serves in play but still managed to avoid facing a break point to record her first win at the DC event. Fifth-seeded Anna Kalinskaya of Russia was the only seeded competitor in action, and she beat Australia's Daria Kasatkina 6-4, 6-1 by converting four of her six break-point chances.

Tuesday's other first-round winners were Poland's Magd...