Williams will also be playing alongside former Wimbledon champion Maria Sharapova in the Nike “Clash of Champions” event in Eugene, Oregon, according to statements on the websites of Sharapova and the Matthew Knight Arena host venue.
Williams, who has dropped to 12th place from No. 1 on the rankings of the WTA tour, is scheduled to play a singles set against Sharapova of Russia, followed by a mixed-doubles set. The event will also feature a men’s singles set between top- ranked Nadal and the second-ranked Federer.
Williams, 29, hasn’t played competitively since she retained her Wimbledon title in July. The American said she cut her foot on a shard of glass in Germany following that victory and had surgery later that month. She had a second operation in October after re-tearing a tendon in her right foot.
An e-mail seeking comment from Williams’s agent wasn’t immediately returned.
To contact the reporter on this story: Danielle Rossingh in London at email@example.com
To contact the editor responsible for this story: Christopher Elser at firstname.lastname@example.org