Tiger Woods will be out of action for "a few weeks" after medical tests revealed he suffered a double injury setback during the Masters earlier this month.
The American sprained the medial collateral ligament in his left knee and also strained his left Achilles while playing a difficult stroke on the 17th hole of his third round at Augusta National.
Woods had been expected to compete at the Wells Fargo Championship at the Quail Hollow Club in Charlotte from May 5-8.
Amy Bowtell yesterday gave herself a boost for next week's Fed Cup competition in Egypt by advancing to the second round of the ITF Women's Circuit event in San Severo, Italy.
One break in each set proved enough for the Greystones player to dismiss Italy's Alice Savoretti on a 6-3 6-3 scoreline in the outdoor clay court tournament near Foggia.
The Irish player faces a stiff challenge to make the quarter-finals, as she must overcome the No 5 seed, Bulgaria's Martina Gledacheva.
Elsewhere, Conor Niland crashed out in the first round of the ATP Challenger Tour event in Sarasota.
The Limerick man held a 42-place advantage in the world rankings -- 151 to 193 -- over Frank Dancevic. But the Canada Davis Cup ace came up trumps on a 6-4 4-6 6-1 margin as Niland faced a torrent of winners from the Niagara Falls native.
Virat Kohli smashed 55 off 38 balls to help Royal Challengers Bangalore pull off a sensational three-wicket victory in their Indian Premier League encounter in Delhi.
Chasing 161 for victory, Bangalore crossed the line in the last over after surviving a late scare from paceman Morne Morkel, who picked up three wickets, including Kohli.
Batting first after losing the toss, Virender Sehwag and David Warner could not repeat the heroics of the last match against Kings XI Punjab as both openers went for 43.
Delhi reached 100 for three by the 14th over and set themselves up for a launch, but Daniel Vettori soon cleaned up Rao (24 off 21 balls) to break the 47-run stand.
In reply, Bangalore raced to 65 -- the highest score off six overs in the IPL so far -- despite the early loss of Tillakaratne Dilshan, who was caught behind in Ashok Dinda's first over.