Kiki Bertens is a Dutch tennis player who turned professional in 2009. Her highest WTA singles ranking is no. 4, which she reached on 13 May 2019, becoming the highest ranked Dutch female player ever. Her career high in doubles is world no. 16, achieved in April 2018. To date, she has won ten singles titles and ten doubles titles on the WTA Tour, including the 2018 Western and Southern Open and the 2019 Mutua Madrid Open. In 2012 Kiki became the first Dutch female player since Michaëlla Krajicek in 2006 to win a WTA singles tournament. Her best result in a Grand Slam was in 2016 at Roland Garros, where she reached the semifinals.
Bertens is widely regarded as a clay-court specialist, but is also successful on hard courts. Raemon Sluiter was her coach. On 1 November 2019 she announced on Instagram that Raemon would no longer coach her and that Elise Tamaëla would be her new coach; Tamaëla was her interim coach at that time.
Kiki’s older sister Joyce works as a business consultant and helps manage her finances. Kiki married her fitness trainer Remko de Rijke on 30 November 2019.