Wimbledon has already lost its top-four seeded women's players, while the Williams sisters keep rolling toward another sibling final. Roger Federer and Rafael Nadal are also closing in on another title matchup. Monday's fourth-round play at the All England Club produced more upsets at the top of the women's seedings, but also offered more convincing wins from the champions and title contenders.
The Williams sisters posted back-to-back victories on Court 2 — nicknamed the "Graveyard of Champions" for its history of upsets. They questioned why they weren't put on Centre Court or Court 1.
Defending champion and seventh-seeded Venus Williams beat Russian teenager Alisa Kleybanova 6-3, 6-4, while two-time winner and No. 6 Serena downed Bethanie Mattek — the only other American left in the men's or women's draw — 6-3, 6-3.
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