Former World No. 4 Belinda Bencic produced a stellar performance to defeat top seed Elena Rybakina of Kazakhastan ... Bencic’s phone unexpectedly began ringing while she was preparing to serve.

The brief interruption did little to derail Bencic's upset bid against the top seed, eventually winning in three sets.

The former world No. 4 came back from a set down to defeat the defending champion and reach her first final since returning from maternity leave last fall.