> Began playing tennis at age 2.
> Father, Axel; mother, Annie, are both retired; brother, Eric; sister, Inga.
> Plays tennis right-handed but is actually left-handed.
> Served as a ballboy for Marat Safin at Scheveningen, NED Challenger, where he went on to win title in 2016 and have a court named after him.
> Idol growing up was Andre Agassi.
> Favourite surface is clay.
> Voted ATP Comeback Player of the Year in 2010.
> Member of ATP Player Council from 2012-14 and 2018-19.
> Enjoys reading, movies, hanging out with friends and being in nature.
> Loves all sports, including basketball and ice hockey.
> Underwent right knee surgeries in July 2008 and May 2009.
> Nickname is Wes.
> Father, Jurrie, is a football scout; mother, Monique, works in fashion; brother, Dean, is a football player in the Netherlands.
> Dad played for national football team in 1985, mom played for national field hockey team 1983-87 and brother played for national under-21 football team.
> Started playing tennis at age 4.
> Speaks Dutch, English and German.
> Fitness trainer is Marc Geers.
> Favourite surfaces are clay and slow hard courts.
> Favourite shot is forehand.
> Favourite tournament is Doha (so far).
> Idols growing up were his father and Andre Agassi.
> Started playing tennis against the wall at his local club.
> Currently trains in Zevenaar and practised for 4 years in Germany (Halle/Westfalen).
> Enjoys football and watching TV series.
> If he wasn't a tennis player, would probably be a football player because he grew up with both sports.
> Favourite sports teams are Chelsea FC and San Francisco Giants.
> Goals in tennis are to break into Top 50, then Top 30, and ultimately Top 10.
> Best memory in tennis was winning 1st ATP doubles title at Sofia with countryman Matwe Middelkoop.