1.   Playing two sports doubles your age.

2.   McEnroe had wanted to play doubles this year against the Australians in Brookline, Mass., but Gullikson did not place him on the team.

3.   Now playing doubles occasionally, the veteran crashed out against a pair led by a Czech-born player named after her, Hingis.

4.   She returned to play doubles last year at Wimbledon, teaming with Mariaan de Swardt of South Africa.