Kiki Bertens is a Dutch professional tennis player who was born on December 10, 1991. Bertens started playing at the age of 6, and is coached by Raemon Sluiter while looking up to Kim Clijsters when she was growing up.
Known as an aggressive baseliner, Bertens favors hard and clay courts. She also plays right-handed with two-handed backhand. Bertens started playing in the ITF Circuit in 2006, and continued to play in ITF until she participated in her first WAT main draw in 2011. During the said year, she also fell in qualifying three times, including the US Open and Roland Garros.
It was in 2012 that Bertens finally had her first Top 100 season. She was able to win a WTA title at Fes, and then reached the quarterfinals at Seoul. In addition, she won some titles at the ITF Circuit. Bertens then continued to have Top 100 seasons until she reached the Top 50 by 2017.
In 2018, Bertens started her year with a loss to Ana Konjuh at the Brisbane International. However, she was able to win a title together with Demi Schuurs, a fellow countrywoman. She garnered her first premier title followed by 4 more–ending the year with a debut at the top 10.
After being named the WTA’s Most Improved Player of the Year award for 2018, she had a good start with the first run of competitions in 2019. In the 2019 Madrid Open, she became the first woman to win without dropping a set. She is currently ranked fourth in the world.