Rafael Nadal 'scared' by knee injury

Rafael Nadal
© PA Photos
Rafael Nadal admits his fears over his knee problem as he looks to retain his Monte Carlo Masters title.

World number two Rafael Nadal has admitted to being 'a little bit scared' about his perennial knee problem ahead of the Monte Carlo Masters.

Nadal had not trained in two weeks until four days ago because of the issue and the Spaniard was forced to withdraw from last month's Miami Masters semi-final against Andy Murray.

"I couldn't move my knee. I have to try to be patient," said Nadal.

When asked if he found it easy to adapt to playing on clay again, he said: "I don't feel comfortable even today. I need time. I need to spend hours on court, play matches and I need practice.

"I had to stop after Miami for a long time. I started to practise four days ago, so it's not enough."

Nadal hasn't won a tournament for 10 months but has been victorious in every Monte Carlo Masters since 2005, claiming seven consecutive titles.

Paul-Henri Mathieu
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1Scotland flag Andy Murray7,750
2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
15Czech Republic Tomas Berdych2,390
16United States Jack Sock2,335
17Pablo Carreno Busta2,305
18Lucas Pouille2,220
19United States John Isner2,110
20United States Sam Querrey2,060