By Nick Mulvenney MELBOURNE (Reuters) -Aryna Sabalenka brushed aside teenager Mirra Andreeva and Coco Gauff rallied past Belinda Bencic to reach the quarter-finals of the Australian Open and extend winning streaks as Melbourne Park stifled in the summer heat on Sunday.

Aryna Sabalenka cruises through as Coco Gauff battles into last eight - Sabalenka brushed aside Mirra Andreeva 6-1 6-2 for her 18th win in a row at Melbourne Park.

plus live text commentaries on the BBC Sport website and app Coco Gauff fought from a set down to beat Belinda Bencic and join defending champion Aryna Sabalenka in the Australian Open quarter-finals.

Sabalenka's fourth-round challenge will be the 14th seed Mirra Andreeva, who she leads 3-1 in head-to-head record. Andreeva secured her first win against Sabalenka at the French Open quarterfinals last year.

The world No. 3 was not at her best but outlasted Switzerland's Belinda Bencic 5-7, 6-2, 6-1 on the hottest day in Melbourne so far.

Coco Gauff rallied from a set down to beat Belinda Bencic 5-7 6-2 6-1 on Sunday to reach the quarter-finals of the Australian Open and extend her winning streak from the start of the season to nine matches.

MELBOURNE, Australia (AP) — Coco Gauff’s consecutive-set streak ended at the Australian Open. Her bid for a second Grand Slam title continued on Sunday with a 5-7, 6-2, 6-1 comeback victory over Belinda Bencic in the fourth round.

Defending champion Aryna Sabalenka was pushed to the limit in setting up an Australian Open showdown with teenager Mirra Andreeva on Friday but

Defending champion Aryna Sabalenka overcame a shaky contest to progress to the fourth round. Meanwhile, two-time champion Naomi Osaka retired midway through her third-round match due to an injury on Friday,

(AP Photo/Vincent Thian) Aryna Sabalenka of Belarus plays a forehand return ... Naomi Osaka of Japan leaves the court after retiring from her third round match against Belinda Bencic of Switzerland at the Australian Open tennis championship in Melbourne ...

Naomi Osaka is out of the Australian Open after she was forced to retire injured from her third-round match against Belinda Bencic.

Her bid for a second Grand Slam title continued on Sunday with a 5-7, 6-2, 6-1 comeback victory over Belinda Bencic in ... 2016 and to eventual champion Aryna Sabalenka two years ago.