Madison Keys and Dominika Cibulkova gave their thoughts following the American's win in straight sets against Cibulkova.
Kerber awaits Keys following Cibulkova win
Cilic moves into Swiss Indoors second round
Pliskova rallies to beat Muguruza
Kuznetsova upsets defending champion
Highlights: Kerber bt Cibulkova
No home advantage for Goffin
Halep defeats Keys with ease
Kuznetsova seals Kremlin Cup
Highlights: Kuznetsova beats Svitolina in Moscow
Season over for Nadal
SVP beseeches Kyrgios to return from suspension and try
Ryan hopes Kyrgios can turn it around
Murray takes Shanghai for sixth title of season
Djokovic's racket rage
Djokovic, Murray cruise into quarterfinals in Shanghai
Greeny thinks Kyrgios is 'the biggest jerk in sports'
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