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WIMBLEDON, England -- Serena Williams' singles return at Wimbledon was watched by an average of 1.8 million viewers on ESPN, helping make it the network's biggest audience for a Day 2 at the grass-court Grand Slam.
The match, which was Williams' first singles contest in nearly four years, had a peak of 2.1 million viewers despite being played on a Tuesday afternoon in the U.S, the network said Friday.