American Madison Keys upset sixth seed Elena Rybakina 6-3 1-6 6-3 in a roller-coaster match at Margaret Court Arena to march into the quarter-finals of the Australian Open on Monday and extend her win streak to nine matches this year.

American Madison Keys upset sixth seed Elena Rybakina 6-3 1-6 6-3 in a roller-coaster match at Margaret Court Arena to march into the quarter-finals of the Australian Open on Monday and extend her win streak to nine matches this year.

Elina Svitolina continues her great start to the season and has been through to the Australian Open quarterfinal, while Elena Rybakina suffered a round-of-16 loss. On Monday, the Ukrainian ousted world No. 75 Veronika Kudermetova 6-4 6-1.

Elena Rybakina, the sixth seed at Melbourne Park, had looked in fine form in the early rounds, but came into Monday's clash with Madison Keys at Margaret Court Arena carrying a back issue

The problem for the 2023 finalist at Melbourne Park follows a season where she was plagued by injury and illness. Rybakina’s build-up to Wimbledon in the summer was hampered by acute bronchitis, which also caused her to withdraw from the Paris Olympics.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.

Former Australian Open finalist Elena Rybakina said she will need some "magic" from her physio if she wants to go further in the tournament after a back spasm flared up during her third-round win on Saturday.

In the Round of 32 at the Australian Open on Friday, Dayana Yastremska (ranked No. 33) takes on Elena Rybakina (No. 7).Rybakina defeated Iva Jovic 6-0, 6-3 on Wednesday in the Round of 64 in her

Elena Rybakina sent another teenager packing from the Australian Open on Thursday after the sixth seed beat American wildcard Iva Jovic 6-0 6-3 to move into the third round.

Elena Rybakina sent another teenager packing from the Australian Open on Thursday after the sixth seed beat American wildcard Iva Jovic 6-0 6-3 to move into the third round. Aged just 17, Jovic was the youngest player in the second round of the women's draw but looked well out of her depth in the opening set against the former Wimbledon champion,

World No.1 and defending champion Jannik Sinner, Iga Swiatek, Elena Rybakina and other big players will be in action on Day 9 of the hard court major at the Melbourne Park.