Kaia Kanepi completed her career set of Grand Slam quarter-finals with a thrilling upset of world number two Aryna Sabalenka at the Australian Open on Monday.

World number 115 Kanepi became the 15th active player to have reached the last eight at every Grand Slam. She came through a series of wild momentum swings to defeat Sabalenka for the second time in as many meetings. She upset the Belarusian 5-7, 6-2, 7-6(7) to reach the quarter-finals in Melbourne.