Coutelot won the Challenger tournaments in Scheveningen and Aschaffenburg in 2000 . The following year he played for the first time at the French Open . In Roland Garros he reached the third round, where he won in the second round against the former world number one Marcelo Ríos 6: 3, 6: 4, 6: 4. He also reached the finals of the Challenger tournaments in Szczecin and Barcelona that year .
In 2002 he took part in the French Open , Wimbledon and the US Open , but was eliminated in the first round. Nevertheless, Coutelot reached his highest world ranking position on May 13th with 87th place this year . At the French Open 2003 , he pushed back to the third round after victories against Mardy Fish and David Nalbandian . In 2004 he won the Challenger tournament in Rome . In August of the same year, however, he was banned for two months after a positive doping test .