Radwanska now out of the top 10. She had just made 100 consecutive weeks of being in the top 10. Cibulkova takes her place.
Gavrilova also vying for her first title.
She's been a runner up twice before - at the Premier Moscow last year losing to Kuznetsova and lost International Strasbourg losing to Stosur back in May.
Cibulkova into her first final since shocking everyone and winning the 2016 WTA Finals.
She's had a very mediocre 2017. Started the year ok, QF in Brisbane, St Petersburg SF, Premier 5 Qatar SF but ever since then hasn't made a single QF since then. No top 10 wins all year..
Prior to this week she was 26th in the race to Singapore rankings, wasn't even close to qualifying. This final run has pushed her up 9 spots to #17 in the race..