Former US Open champion Juan Martin Del Potro is determined to offer a stiff test to Andy Murray in the quarter-finals of the BNP Paribas Open in Indian Wells.
Del Potro thrashed Tomy Haas 6-1 6-2 to set up a last-eight clash with the current US Open champion, while Murray saw off Carlos Berlocq 7-6 6-4 to reach the quarter-finals.
Murray is 1.40 to see off Del Potro and reach the semi-finals and is 2.10 to win in straight sets, while the Scot is 4.50 to win the tournament for the first time in his career.
With Murray holding a 5-1 head-to-head advantage over Del Potro, the Argentinian told the ATP Tour website after his win over Haas: "I think it was my best match of the tournament, for sure.
"I played so solid on the baseline, trying to hit hard the ball with my forehand. I served well and that's what I need to do against Murray in the next round. Be aggressive all the time and find the lines with my forehands and serves."
Also in the quarter-finals Roger Federer and Rafael Nadal will renew their classic rivalry, with both men having survived three-set tests to make it into the last eight.
Nadal, who leads the Swiss 18-10 on head-to-head record, is 2.00 to come out on top this time around, with Federer 1.72 to book a semi-final spot.
The other last-eight matches see world number one Novak Djokovic take on Jo-Wilfried Tsonga, while Tomas Berdych faces Kevin Anderson.
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