German tennis player Tommy Haas has gone down with swine flu, Bild newspaper reported on Tuesday on its website.

"I started feeling unwell last week during the tournament in Stockholm," the 31-year-old former world top tenner said. "My throat felt rough, I had shivers during the night and a fever.

"For three days I really felt bad and I couldn't even manage to get out of my hotel room."

Haas said that he made it back to Munich where tests confirmed that he had contracted the virus.

Despite that, the German is hopeful of being back in action soon.

"When you are someone who is as physically fit a I am you can quite easily get over this flu," he said.