Houdet won two titles in the 2013 season with the victories achieved in Johannesburg and Sardinia. He was a losing finalist in Pensacola, Rome, Nottingham, St Louis and Rue. Houdet also won two Grand Slam singles titles at Roland Garros and New York and was the runner up in Melbourne. Houdet partnered Ronald Vink to the doubles titles in Sydney and Nottingham. When Frederic Cattaneo was his partner in doubles tournaments they won titles in Baton Rouge and Johannesburg. They were also losing finalists in Pensacola. In doubles tournaments with Martin Legner Houdet won the title in Rome and was a losing finalist in Sardinia.Shingo Kunieda partnered Houdet to doubles titles in Paris and St Louis, as well as two Grand Slam titles at Roland Garros and Wimbledon. Partnering Gordon Reid, Houdet won titles in Rotterdam, Rue, the Masters doubles.