Two-time French Open runner-up Robin Soderling will miss the French Open, Wimbledon and the Olympics while he recovers from mononucleosis.
The Swede hasn't played a tournament since winning in Bastad, Sweden, last July. He withdrew from the U.S. Open just before the first round.
"I really want to come back. I haven't turned 28 yet and hopefully I have many years left," Soderling said on Monday. "Hopefully, I'll get back into shape fairly quickly."
Soderling upset Rafael Nadal in the fourth round in Paris in 2009, ending the Spaniard's 31-match winning streak at Roland Garros. He is now ranked No. 65.
Soderling said he doesn't know precisely when he'll be back, but he wants to fully regain his strength before returning.
"I feel all right as long as I don't put too much stress on my body with heavy training," he said. "But I learned early on to not go back too quickly and I don't want another big setback."