Roger Federer's Australian Open victory over Rafael Nadal gave him an 18th Grand Slam title, extending his record as the winningest man in major championships.
Defending champ Novak Djokovic suffered a major upset at the hands of unseeded Denis Istomin in a marathon 4-hour, 48-minute match at the Australian Open. Istomin is ranked 117th in the world.
Nick Kyrgios' effort in an Australian Open loss on Wednesday drew the ire of tennis legend John McEnroe.
Defending champion Angelique Kerber survived a scare to beat Carina Witthoeft in three sets on Wednesday in a second-round match at the Australian Open.
John Isner, the highest-seeded U.S. player in the men's draw at No. 19, lost in five sets to Mischa Zverev at the Australian Open -- one of several American men to stumble Wednesday in Round 2.
Venus Williams said she'll "manage" an elbow injury that forced her to withdraw from doubles at the Australian Open. Earlier, she beat qualifier Stefanie Voegele in singles in the second round.
