Tim Henman said he would look back at the 2004 French Open with pride, despite losing out in the semi-finals.
"I had never been past the third round before, so to get to the semis is something to be proud of," he said after his defeat by Guillermo Coria.
"For a set and a half I made the best claycourt player in the world look pretty ordinary.
"It's been a massive two weeks for me, a big breakthrough in terms of my Grand Slam career outside of Wimbledon."
However, Henman said he had some regrets after taking the first set against Coria and then establishing a 4-2 lead in the second.
"It's a fine line between being aggressive and consistent," said the British number one, who lost 13 consecutive games as Coria took control of the match.
"My level dropped and it gave him the chance to raise his. When you have lost a run of games like I did, it's hard to take risks.
"The bottom line was I wasn't good enough to do it for the amount of time that was necessary."
Henman will now return to London and begin his preparations for Wimbledon, where he has been a semi-finalist four times.
The British number one will warm up at Queen's, which begins on Monday, and says he is more confident than ever of success at his home Grand Slam.
"I believe I'm the best volleyer in the world, and I think I'm the best athlete at the net," he said,
"It's about playing to your strengths and committing to it.
"It's the hardest style for me to try to play on clay but I think I've done a pretty good job at it. I'm excited about continuing that on other surfaces."