Spanish fourth seed Garbine Muguruza battled past Darya Kasatkina of Russia into the quarter-finals of the Brisbane International on Tuesday.
In a match lasting just over three hours, Muguruza, the 2016 French Open champion, got past unseeded Russian Darya Kasatkina (Russia) 7-5, 3-6, 7-6(7) saving a third set tie-break match point to eventually win.
— WTA (@WTA) January 3, 2017
The opening set had seven breaks of serve before Muguruza claimed her opponent's serve in the 11th game and then served out the set to win it 7-5.
To her credit, the Russian came back strongly in the second set to lead 3-1 breaking Muguruza's serve twice to square things up with a set apiece when she won the set 6-3.
The set was a close one with three service breaks apiece for the match needing to be decided with a tie-break. At 5-6 in the breaker, Kasatkina saved a match point and then Muguruza saved a match point herself when behind 6-7.
But in the end, the fourth seed won the tie-break 9-7 on her second match point to claim a marathon victory.
In other second round action, sixth seed Elina Svitolina of Ukraine beat American Shelby Rogers 7-5, 2-6, 7-5, unseeded Frenchwomen Alize Cornet saw off Christina McHale of the US 6-2, 6-1 while third seed Karolina Pliskova of the Czech Republic beat another American, Asia Muhammad, 6-1, 6-4.
In a first round match, Australia's Destanee Aiava defeated Bethanie Mattek-Sands of the US 2-6, 6-3, 6-4.