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Roger Federer vs Mischa Zverev, Wimbledon 2017: live score updates
Any Britons in action?
Jamie Murray and Switzerland’s Martina Hingis are due on court after 17:00 BST for their second-round mixed doubles match.
They are the top seeds at Wimbledon, with Scot Murray fifth in the men’s doubles rankings and Hingis third in the women’s. They face British pair Neal Skupski and Anna Smith.
Meanwhile, it is a busy day for Heather Watson and Naomi Broady, who are both twice in doubles action.
British number two Watson, who was beaten by Victoria Azarenka in the third round of the singles tournament on Friday, teams up with Broady to play Belgium’s Kirsten Flipkens and Indian 2015 doubles champion Sania Mirza in round two of ladies’ doubles.
Watson then partners Henri Kontinen of Finland against Aisam-ul-Haq Qureshi of Pakistan and Germany’s Anna-Lena Gronefeld in the second round of mixed doubles.
Broady and brother Liam face Czech pair Roman Jebavy and Lucie Hradecka in the final mixed doubles round two match on court 18.
Watch live coverage on BBC Two and online from 11:00 BST.