![WTA Insider on Twitter: "What an effort from Kiki Bertens. Has played every week since US Open, arrived in Shenzhen @WTAFinals on Monday after playing the Zhuhai final, gets the call to WTA Insider on Twitter: "What an effort from Kiki Bertens. Has played every week since US Open, arrived in Shenzhen @WTAFinals on Monday after playing the Zhuhai final, gets the call to](https://pbs.twimg.com/media/EIDFfATUYAE24vq.jpg)
WTA Insider on Twitter: "What an effort from Kiki Bertens. Has played every week since US Open, arrived in Shenzhen @WTAFinals on Monday after playing the Zhuhai final, gets the call to
![WTA Finals 2018 | Kiki Bertens still 'giving it everything' as Naomi Osaka retires and she advances to the semi-final | Britwatch Sports WTA Finals 2018 | Kiki Bertens still 'giving it everything' as Naomi Osaka retires and she advances to the semi-final | Britwatch Sports](https://britwatchsports.com/wp-content/uploads/2018/10/Bertens-WTAF18-RR2b-J48TP.jpg)
WTA Finals 2018 | Kiki Bertens still 'giving it everything' as Naomi Osaka retires and she advances to the semi-final | Britwatch Sports
![File:2015 US Open Tennis - Qualies - Kiki Bertens (NED) (8) def. Xinyun Han (CHN) (21019308589).jpg - Wikimedia Commons File:2015 US Open Tennis - Qualies - Kiki Bertens (NED) (8) def. Xinyun Han (CHN) (21019308589).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/20/2015_US_Open_Tennis_-_Qualies_-_Kiki_Bertens_%28NED%29_%288%29_def._Xinyun_Han_%28CHN%29_%2821019308589%29.jpg)
File:2015 US Open Tennis - Qualies - Kiki Bertens (NED) (8) def. Xinyun Han (CHN) (21019308589).jpg - Wikimedia Commons
![Venus Williams ousts defending champion Kiki Bertens at Southern Open as Serena Williams withdraws | The Independent | The Independent Venus Williams ousts defending champion Kiki Bertens at Southern Open as Serena Williams withdraws | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/08/14/09/Venus-Williams-celebrates-her-win-over-Kiki-Bertens.jpg?width=1200)
Venus Williams ousts defending champion Kiki Bertens at Southern Open as Serena Williams withdraws | The Independent | The Independent
![Dutch professional tennis player Kiki Bertens competes against Australian professional tennis player Ashleigh Barty during a group match of WTA Finals Stock Photo - Alamy Dutch professional tennis player Kiki Bertens competes against Australian professional tennis player Ashleigh Barty during a group match of WTA Finals Stock Photo - Alamy](https://c8.alamy.com/comp/2ABDANN/dutch-professional-tennis-player-kiki-bertens-competes-against-australian-professional-tennis-player-ashleigh-barty-during-a-group-match-of-wta-finals-2ABDANN.jpg)