Kiki Bertens breekt met coach Raemon Sluiter - NRC
Tennis news - Top seed Kiki Bertens cruises into WTA Elite Trophy semis - Eurosport
10-voudig WTA-titelwinnaar Kiki Bertens op haar plek als coach langs de baan | Flashscore.nl
Coaches Corner: Raemon Sluiter on Kiki Bertens' Madrid title run - 'She countered the demons'
Tennis news: Kiki Bertens' coach Raemon Sluiter explains how she went from retirement talk to US Open contention - Sport360 News
603 Raemon Sluiter Photos & High Res Pictures - Getty Images
Kiki Bertens makes most of late chance by beating world No 1 Ashleigh Barty | Tennis | The Guardian
Kiki Bertens Believes In Stability And Trust Ahead Of 2020 Season - UBITENNIS
Elise Tamaëla, Coach of Kiki Bertens: Motto is to Remain Fit During the Time Off
Kiki Bertens Speaks About the Split from Coach Raemon Sluiter
Tennis news: Kiki Bertens contemplated retirement last year but is now in third Premier final of 2018 after beating Kvitova in Cincinnati - Sport360 News