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Twin brothers William and Ernest Renshaw playing the final set of their men's singles championship match at Wimbledon on 17th July 1882. William won 6-1, 2-6, 4-6, 6-2, 6-2. (Photo by Popperfoto/Getty Images)

Twin brothers William and Ernest Renshaw playing the final set of their men's singles championship match at Wimbledon on 17th July 1882.  William won 6-1, 2-6, 4-6, 6-2, 6-2.  (Photo by Popperfoto/Getty Images)