Wimbledon fourth round match-ups

A look ahead to Wimbledon on Monday:

Forecast: Partly cloudy, with a chance of rain in the evening. High of 31 degrees Celsius (88 F).

Schedule: Wimbledon is the only Grand Slam tennis tournament that schedules a day off on the middle Sunday; play resumes Monday with all 16 men's and women's fourth-round matches.

Men's Matches: No. 1 Rafael Nadal vs. No. 24 Juan Martin del Potro, No. 2 Novak Djokovic vs. No. 19 Michael Llodra, No. 3 Roger Federer vs. No. 18 Mikhail Youzhny, No. 4 Andy Murray vs. No. 17 Richard Gasquet, No. 6 Tomas Berdych vs. No. 10 Mardy Fish, No. 7 David Ferrer vs. No. 12 Jo-Wilfried Tsonga, Xavier Malisse vs. Bernard Tomic, Feliciano Lopez vs. Lukasz Kubot.

Women's Matches: No. 1 Caroline Wozniacki vs. No. 24 Dominika Cibulkova, No. 4 Victoria Azarenka vs. Nadia Petrova, No. 5 Maria Sharapova vs. No. 20 Peng Shuai, No. 7 Serena Williams vs. No. 9 Marion Bartoli, No. 8 Petra Kvitova vs. No. 19 Yanina Wickmayer, No. 23 Venus Williams vs. No. 32 Tsvetana Pironkova, Sabine Lisicki vs. Petra Cetkovska, Tamira Paszek vs. Ksenia Pervak.