Twelve-time champion Rafael Nadal says the colder weather at a delayed French Open will provide the toughest conditions he has faced in Paris.
Spaniard Nadal has dominated the men's singles at Roland Garros since his debut in 2005, but the clay-court event usually takes place in early summer, when higher temperatures suit his game.
"The weather is so, so cold. That makes it difficult for everyone," said Nadal.
"The conditions are a little bit extreme to play an outdoor tournament."
The two-week tournament usually starts in late May and concludes in early June.
It was moved back because of the coronavirus pandemic and will begin in the French capital on Sunday.