Aryna Sabalenka turns up the heat on Iva Jovic to book semi-final spot

Aryna Sabalenka ended the teenage challenge at the Australian Open with an emphatic quarter-final final victory over Iva Jovic.

Having defeated 19-year-old Victoria Mboko in the fourth round, the world number one dropped just three games against 18-year-old American Jovic in a 6-3 6-0 victory.

The scoreline was harsh on the youngster, who was very competitive in the points but time and again came out on the wrong end of games.

It has nevertheless been a breakthrough tournament for Jovic, who only celebrated her birthday last month, and she will hit the top 20 for the first time next month.

“These teenagers are testing me in the last couple of rounds,” said Sabalenka, who has now reached at least the semi-finals at 12 of the last 13 grand slams she has contested.

“She’s an incredible player, it was a tough match – don’t look at the score, it wasn’t easy at all. I’m super happy with the win, it was a tough battle.”

With the hottest day in Melbourne for 17 years forecast and temperatures set to reach around 45C, efficiency was of the essence for Sabalenka, who is yet to drop a set.

Things might have become more complicated had she not clinched the opening set in a long ninth game, saving three break points before clinching her third set point.

The AO Heat Stress Scale is above 5.0. Play and practice is suspended on outside courts.

The roofs on RLA and MCA are now closed and will remain closed as per the AO Extreme Heat Protocols.

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After that, she did not lose another game, and the roof closed on Rod Laver Arena as Sabalenka conducted her post-match interview, with the tournament’s heat stress scale