The grounds crew came on to cover the grass shortly after Williams won the opening set 6-1 on Centre Court at the All England Club in London. The sixth seed raced away with the set, leading 5-0 before the Pole held serve with an ace.
The 30-year-old American would be the oldest Wimbledon women’s champion since Martina Navratilova won her ninth title at 33 in 1990.
Radwanska, the third seed, is in her first major final and is trying to become the first player from Poland to win a Grand Slam. The 23-year-old had been bothered by an upper respiratory infection, which forced her to drop out of the doubles competition.
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