Began playing tennis at age four...Parents are both accountants and has one sister who is his personal trainer and physiotherapist providing treatment when injured...His mum was a good tennis player and is the most inspirational person in his life due to the influence on his career...Nickname is Roger the Dodger...Favorite shot is backhand return and favorite surface is outdoor hardcourt...Hobbies include watching movies, golf and ice hockey...Speaks Dutch, German and English...Turned pro in 1994 after winning junior tournaments in Florence and Klosters and was a finalist at the European Championships...Would be a sports marketing professional if he wasn't a tennis player...Coached by Geert Quaedvlieg since 1990.
1995 – Reached QF in Beijing (l. to Cunha-Silva)...
1996 – In doubles, reached final at Samarkand Challenger (w/Hromec)...
1997 – In singles, reached final at Guadalajara Challenger (l. to El Aynaoui)...In doubles, reached two finals and five SF in Challenger play...Compiled a 19-15 Challenger match record...
1998 – In singles, compiled a 1-2 mark in Challenger finals, claiming first title at Toluca (d. Etlis) while reaching finals at Medellin (l. to A. Ferreira) and Oberstaufen (l. to Schranz)...Finished a career-best No. 158 in singles...Won first ATP Challenger doubles title (w/Marques)...Also reached three Challenger doubles finals...
1999 – Won two singles Futures titles...In doubles, compiled an 11-12 Challenger match record...
2000 – Captured France Futures #18 title (w/Liukko)...Made seven QF or better in doubles Challenger play...
2001 – Won two singles and two doubles Futures titles...In doubles, won back-to-back Challenger titles at Bukhara (w/Qureshi) and Quito (w/Schlachter)...
2002 – Compiled an 18-10 match record in Challenger doubles play...Played first Grand Slam doubles match at Wimbledon and lost in 1st RD...Won Samarkand Challenger (w/Browne)...
2003 – In doubles play, claimed seven Challenger titles and finished with a 7-0 finals record...
2004 – In lone ATP singles appearance, qualified (ranked No. 542) in Bangkok and defeated No. 39 Andreev before losing in three sets to Saretta...Reached three Challenger doubles finals and had a 35-15 match record in Challenger play...Reached 3rd RD at Roland Garros (w/Peya) and US Open (w/Mayer)...Finished in Top 100 in doubles for first time at No. 73...
2005 -- The Dutchman compiled a 16-22 match record in doubles and finished in Top 50 for first time in his career at No. 49...He reached his first ATP final (w/Coetzee) in Lyon (l. to Llodra-Santoro) in October...Also advanced to SF at Acapulco (w/Lopez-Moron) and 's-Hertogenbosch (w/Sanguinetti) and QF in five other ATP tournaments with as many partners...Equaled his best Grand Slam result with a 3rd RD showing at Wimbledon (w/Karlovic)...In Challenger play, compiled a 14-5 record, winning titles at Manerbio (w/Van Gemerden) and Southampton (w/Coetzee) and reaching final at Luxembourg (w/ Lindstedt)...
2010
Reached US Open 3rd RD (w/F. Mayer)…At Metz in late September, he partnered Dustin Brown to his fifth ATP World Tour title…The duo beat No. 2 seeds M. Melo-Soares 63 63 in a 53-minute final…The pair also beat Moodie-Norman in SFs…It was Wassen’s first title since July 2008 at Amersfoort (w/Cermak)…“Being the first alternate team I really didn’t want to come to Metz. I was home, planning on taking the week off, but I am so happy I ended up coming. Dustin and I have opposite personalities, opposite games and I think we complement each other very well on the court. It’s a pleasure to play with him and I look forward to continuing to play with him”…
In ATP Challenger play, won five titles…Three with Brown at Poznan, Kitzbuhel and Szczecin…One with Haase at Cordenons…