“I know I will not win the French Open.
“I’m not so sure in the last 50 years in Paris somebody rocked up at 40 years old, being out for a year and a half, and wins everything straight or in five sets.”
Federer went on to admit his frustrations at not being able to progress further in Geneva, but feels better physically on his road to full fitness.
He added: “I was expecting better from myself. I was not able to make a difference in key moments.
“I am disappointed for the organisers who were really happy to see me here.
“The good thing is that I can play tennis again. I feel better physically than Doha. I just have to accept this loss.”