In my opinion: Headcoach Erik Csarnakovics about recent form of Petra Kvitova…

Petra Kvitova is out of TOP 10 in WTA rankings. There is no question about her making her way back into the TOP 10; I would say even TOP 5. She has what it takes to become world number one. Remember, she was close to achieving it almost five years ago. Petra won Wimbledon twice, since 2011 at the end of the seasons; she was always in TOP 10 with at least 3500 points (not since February 2016). She has all...