New York - Polish fourth seed Agnieszka Radwanska took just 47 minutes to hand out a 6-1, 6-0 US Open first round rout to Canada's Sharon Fichman on Monday.
Radwanska allowed her 112th-ranked opponent just three points in the second set.
The 25-year-old Pole, who has never got beyond the fourth round in New York, goes on to face either Peng Shuai or Zheng Jie, who face-off in an all Chinese duel, for a place in the third round.
Results on Monday from the first day of the US Open, the final Grand Slam tournament of the season (x denotes seeded player):
Leonardo Mayer (ARG x23) bt Albert Montanes (ESP) 6-2, 3-0 - retired
Belinda Bencic (SUI) bt Yanina Wickmayer (BEL) 6-3, 6-2
Kurumi Nara (JPN x31) bt Aleksandra Wozniak (CAN) 6-2, 6-1
Agnieszka Radwanska (POL x4) bt Sharon Fichman (CAN) 6-1, 6-0