Top-ranked Aryna Sabalenka swept into the Australian Open quarter-finals with a 6-1, 7-6 (7-1) win over Canadian teen Victoria Mboko on Sunday. 

“What an incredible player for such a young age, it’s incredible to see these kids coming up on tour,” she said. “She pushed me really hard today and super happy with the win, and once again, in straight sets,” said Sabalenka.