(born 6 April 1987 in The Hague
) is a Dutch tennis
player. Haase is currently the highest-ranked Dutch player, with his career high of No. 52 coming on 31 January 2011. He is endorsed by Adidas
and SNS Reaal
Haase's highest ranking in the ATP
singles entry rankings is No. 52. Haase was a promising player in the Junior level where he reached as high as 3rd in the Juniors’ rankings on 14 March 2005. Later on in 2005 he would lose the final of the Junior Grand Slam Tournament at Wimbledon
to Jérémy Chardy
which was his last tournament on Junior level.
In July 2007 Haase reached his 1st ATP Tour semifinal at the Dutch Open
where in the quarter-finals he beat the top 100 ranked player Florent Serra
. He eventually lost in straight sets, 6–4 6–4 to Werner Eschauer
. Capping off a good week he reached the final in the doubles with fellow compatriot Rogier Wassen
but lost in straight sets 6–2, 6–0.
In August 2007 Haase for the first time defeated a top-10 ranked player. At the Rogers Cup
he beat Tomáš Berdych
Haase made his grand slam debut at the 2007 US Open
as a lucky loser
due to the withdrawal of Mario Ančić
. He lost in the first round in straight sets to the third seed Novak Djoković
6–2, 6–1, 6–3.
At the 2008 Chennai Open
, Haase claimed another top 20 win when he defeated the second-seeded Marcos Baghdatis
6–3, 6–4 in the first round.
Haase pushed Lleyton Hewitt
to five sets in the first round of......