(AP)
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Venus and Serena Williams won in straight sets today to set up their third all-sister Wimbledon final and seventh Grand Slam championship matchup. Defending champion and four-time winner Venus beat Elena Dementieva 6-1, 7-6 (6-3), then two-time champ Serena overcame two rain delays and served 14 aces to down China's Zheng Jie 6-2, 7-6 (6-5).
It will be the first all-Williams final since 2003, when Serena beat her older sister in the championship match for the second year in a row. Serena holds an 8-7 career edge over Venus, including 5-1 in Grand Slam finals. Since Venus won the US Open in 2001, Serena has won five of their major finals confrontations in a row.
