Roger Federer said the new vulnerability of tennis's "top guys" was good for the sport as he avoided becoming yet another Australian Open casualty on Sunday. On a day when world number one Andy Murray joined six-time winner Novak Djokovic on the sidelines, Federer advanced to the quarter-finals. The Federer resurgence claimed the scalp of Japan's world number five Kei Nishikori over five gruelling sets and he will now play Murray's conqueror Mischa Zverev in the last eight.
Troubled tennis player Nick Kyrgios acknowledged after his testy loss to Andreas Seppi at the Australian Open this week that he could certainly benefit from having a coach. Andre Agassi says he feels a certain kinship with Kyrgios, but he's not the man for the job. The other factor, Agassi said, is that if he's going to coach, it would have to be with someone who wants to learn.
For both the veteran, Mirjana Lucic-Baroni, and the newcomer, Jennifer Brady, it's a completely unexpected position to be in: Playing for a spot in the quarterfinals of the Australian Open. How they ended up here, however, couldn't be more dramatically different. Lucic-Baroni has been on this stage before, another lifetime ago, when she made a dream run to the Wimbledon semifinals in 1999 at the age of 17. Soon after, she was out of the sport entirely and was forced to spend years scraping her way back to the majors. Brady, meanwhile, is experiencing everything for the first time — winning a match at a major, telling her life story at packed news conferences. Now, one will advance to the quarters