Australian Open: Aryna Sabalenka knocked out by Kaia Kanepi

Melbourne, Australia: Second seed Aryna Sabalenka suffered Grand Slam disappointment again as she lost a final-set tie-break to Kaia Kanepi to exit the Australian Open. The Estonian world number 115 won an enthralling, topsy-turvy match 5-7 6-2 7-6…