Ruben Bemelmans is a Belgian male professional tennis player. His career-high rank ATP singles ranking was No. 108 reached on October 01, 2012. His best doubles rank is No. 128. He won his first Futures event in Espelkamp, Germany in July 2007, and has a total of nine titles at this level. His best performance to date was in winning the Volkswagen Challenger event in Wolfsburg in March 2009, winning three matches in qualifying before going on to beat Stefano Galvani of Italy in the final. He won again this tournament in 2011. In June 2010, he entered the main draw of the 2010 Gerry Weber Open in Halle as a lucky loser. In the opening round he lost to German Philipp Kohlschreiber 6-7, 7-6, 4-6 after a good performance. In September 2010, Ruben played for Belgium in the Davis cup play-off tie against Australia. He played Lleyton Hewitt with nothing to lose; but after a solid effort, he succumbed in a 6-7, 5-7, 6-2, 4-6 duel.