Serena Williams survives second-round test against world No 110 Kiki Bertens to continue bid for calendar Grand Slam at US Open | Daily Mail Online
Venus Williams out of Wimbledon after defeat to Kiki Bertens | Venus Williams | The Guardian
Wimbledon 2018: Venus Williams made to pay for errors in shock defeat to Kiki Bertens-Sports News , Firstpost
LIVE: Serena Williams vs. Kiki Bertens | USA TODAY Sports Wire
Kiki Bertens shakes hands with Venus Williams after her win on day five of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon Stock Photo - Alamy
IBM Knows What Makes Serena Williams So Good | WIRED
Serena Williams faces No. 110 Kiki Bertens at U.S. Open in Slam pursuit
Wimbledon: Kiki Bertens defeats last year's runner up Venus Williams in third round
2018 Indian Wells Second Round | Serena Williams vs Kiki Bertens | WTA Highlights - YouTube
Serena Williams unsatisfied with win over Kiki Bertens at U.S. Open, immediately practices serve after victory – New York Daily News
US Open 2015: Serena Williams defeated Kiki Bertens 7-6 6-3. | Tennis News | Sky Sports
Serena Williams unsatisfied with win over Kiki Bertens at U.S. Open, immediately practices serve after victory – New York Daily News
Venus Williams outlasts Kiki Bertens to book Miami Open clash vs Johanna Konta | Tennis News - Hindustan Times
Bertens starting to believe as she finally nails Venus | Reuters