Nadal sidelined for six to eight weeks with injury

Rafael Nadal said on Thursday he will be out for up to eight weeks after suffering a left hip flexor injury during his shock second-round exit from the Australian Open.

The 36-year-old world number two wrote on Twitter that scans showed a moderate muscle tear. It will not require surgery.

It is just the latest injury to blight the career of the 22-time Grand Slam champion from Spain.

"I have carried out medical tests after the defeat yesterday," he tweeted, adding that they showed "a grade-two lesion in the iliacus psoas of the left leg".

"Normal recovery time six to eight weeks," he wrote, adding that he would now rest and undergo anti-inflammatory physiotherapy.

The projected timeline puts his participation at the ATP 1000 Indian Wells and Miami events in March in doubt, which would see him plunge down the rankings.

Nadal will more likely target being ready for the clay-court season in mid-April, leading into the French Open in May, where he will be chasing a 15th Roland Garros title.

The defending champion slumped out of the Australian Open on Wednesday to 65th-ranked American Mackenzie McDonald in the second round -- his worst Grand Slam result in seven years.

He took a medical timeout when a break down in the second set after hurting himself stretching for a forehand and grimacing in pain.

His wife Mery was pictured in tears in the stands at Rod Laver Arena.