With the third round complete for the leading players at Melbourne Park, only one of the first eight men's seeds did not advance: No. 6 Juan Martin del Potro. Six of the eight top women were through.
Sixth-ranked Czech player Tomas Berdych heads a strong field that includes four top-20 players in the Chennai Open that starts on Monday.
Roger Federer assured himself the No. 1 ranking for the 300th week of his career by beating Davis Cup teammate Stanislas Wawrinka 4-6, 7-6 (4), 6-0 Thursday in the third round of the Shanghai Masters.
The semifinals of the Western & Southern Open feature a reprise of the Olympic bronze medal match.
The lofty expectations placed on British hope Andy Murray every year at Wimbledon ramped up several notches following Rafael Nadal's surprising exit.
No matter what happens in Week 2, this Wimbledon will be remembered.
Top-seeded Maria Sharapova was knocked out of Wimbledon on Monday, losing 6-4, 6-3 to Sabine Lisicki in the fourth round just a month after completing a career Grand Slam.
Marin Cilic of Croatia outlasted Sam Querrey of the United States 17-15 in the fifth set after 5½ hours of play Saturday to reach Wimbledon's fourth round for the first time since 2008.