Gauff downs defending champion Osaka to reach fourth round

The 15-year-old American needed just 67 minutes to beat the No. 3 seed and set up a meeting with either China's Zhang Shaui or compatriot Sofia Kenin.Gauff was totally dominant for large periods of the match and perhaps even surprised herself with the ease of her victory."I don't even know," she replied when asked how she had pulled off that performance. "From the crowd, I guess. Honestly, what is my life, like, oh my gosh, two years ago I lost in the first round in juniors and now I'm here — it's crazy."Honestly, I was just telling myself, 'One point at a time and keep fighting because you never know what happens on this court.'"I love it down here, oh my gosh, like, honestly, thank you guys from the bottom of my heart, like, oh my gosh, I'm on the Rod Laver Arena — I can't believe this."READ: Serena Williams stunned by Qiang Wang at the Australian OpenREAD: Nick Kyrgios and Gilles Simon mock Rafael Nadal routine at Australian OpenOn the same day that Serena Williams was shocked in the third round by Wang Qiang, this Friday at the Australian Open perhaps now marks a changing of the guard in women's tennis.Gauff had already beaten Venus Williams — who she also beat in the first round at Wimbledon — and the experienced Sorana Cîrstea to reach this stage and now adds Osaka to an ever-growing list of big-name scalps.Her performance at this year's Australian Open is all the more incredible when taking into account she is also continuing to study, though she says her teachers are giving her some special dispensation."Probably tomorrow," she laughed when asked when she would next be doing homework. "Because I want to go to sleep tonight.Naomi Osaka was unable to repeat her performance against Gauff at the US Open.READ: Rafael Nadal hits ball girl in head with shot, apologizes with kissREAD: Raining dirt sees Australian Open suspended"My teachers are giving me sRead More – Source