Updates from the quarter-finals at Melbourne ParkAshleigh Barty reaches maiden
Australian Open semi-finalAny thoughts? Email or tweet @JPHowcroft 7.29am GMT
![Australian Open day nine: Federer v Sandgren into fifth set, Barty beats Kvitová – live!](https://i.guim.co.uk/img/media/e485f6816b78feb76c81cc00665f673eeb705550/0_5_3424_2055/master/3424.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctbGl2ZS5wbmc&enable=upscale&s=6248ba5a7d91a01c4a06fb1ef9d28b42)
Fifth set: Federer 6-3 2-6 2-6 7-6 2-2 Sandgren* (* denotes server) It’s a tired bedraggled game from both men but Sandgren won’t mind. He holds to 15.
Here’s that ball-kid incident from earlier. Ball kid runs into Sandgren! #AusOpen pic.twitter.com/1oLY3bdJJW 7.27am GMT
Nick Kyrgios’s tournament is over. The No.5 seeds prevail!@B_Krejcikova and @NMektic def. Amanda Anisimova and Nick Kyrgios 4-6 6-4 [10-8] to reach the mixed doubles quarterfinals of #AO2020.#AusOpen pic.twitter.com/7uSlj4A6RI