Denisa Allertova

US Open 2017: Japanese teen Naomi Osaka advances to 3rd round with win over Denisa Allertova

Osaka, the 2016 WTA Newcomer of the Year, can reach her first fourth round at a Grand Slam by beating 418th-ranked Estonian qualifier Kaia Kanepi on Saturday.

US Open 2017: Roger Federer survives yet another five-setter; teenager Andrey Rublev upsets Grigor Dimitrov

Five-time champion and third seed Federer had also needed five sets to see off US teenager Frances Tiafoe in the first round.

Ana Ivanovic to miss rest of season due to recurring injuries

Ana Ivanovic says she has no plans of retiring after first-round exit at US Open 2016