After admitting that he came "very close" to defeat against Russia's Daniil Medvedev, Federer was made to fight again in beating Roberto Bautista Agut

Spanish former Wimbledon and French Open champion Muguruza lost only three games as she brushed aside Romania's Ana Bogdan

Defending champion Federer admitted that he came very close to defeat against Daniil Medvedev on Wednesday

He is not the only one feeling off colour – fifth-ranked Alexander Zverev has a sore throat and blocked nose.

Philip Henning could make his Davis Cup debut when SA face Portugal in their crucial Euro/Africa Group 1 relegation/playoff tie in Lisbon next week.

Declaring himself “a completely different player” Novac Djokovic victory over Frenchman Jeremy Chardy was never in doubt

Australian Open 2017 champion, Serena Williams, returns to Melbourne next year after missing her 2018 title defence after giving birth.

Nadal is in a comfortable lead atop the ATP rankings with second-placed Roger Federer 1360 points back; and South Africa's Anderson jumping to eighth

“For me definitely, I don’t want to stop at just one Grand Slam, of course I want to win more.”

Former French Open and Wimbledon champion, Garbine Muguruza, believes broadcasting more women's matches is important for the gealth of the game.

“I know it’s bad, but I sort of read the comments (online or in media). I’m just, like, ‘Oh, I guess I have to do more, to be better’.”

US Open champion Naomi Osaka apologised to beaten opponent Zhang Shuai for her emotional behaviour in their roller-coaster China Open quarter-final.

The Japan-born player has been quite emotional since her controversial US Open final against Serena Williams

The Japan-born Osaka seemed to have found a good rhythm after her maiden Grand Slam win in New York last month

Australia's Nick Kyrgios is through to the next round of the Japan Open in Tokyo after beating Japan's Yoshihito Nishioka in straight sets

Japan-born Naomi Osaka amassed enough points in the Race to Singapore to qualify for the eight-woman WTA Finals