Tommy Robredo has admitted that his hip injury may have a slight impact on his Australian Open plans as well.

In what proved to be a grueling test of skill and fitness, Andy Murray came back to win the title clash of Valencia Open against Tommy Robredo.

Tommy Robredo saved five break points to force a first-set tiebreaker, which he dominated and won after the American netted a forehand. In the second set, Robredo had no unforced errors and broke Isner before serving out the match at love.

Stanislas Wawrinka fired 75 winners to beat Tommy Robredo 7-5, 4-6, 7-6, 6-2.

Tommy Robredo, the 16th-seeded Spaniard was favored to get past Simone Bolelli, but the Italian took the first two sets and was eyeing the upset before Robredo rallied for a 5-7, 6-7 (5/7), 6-4, 6-3, 6-2. triumph.

Spain's Tommy Robredo sent top-seeded Novak Djokovic packing 7-6, 7-5, the defeat coming a week after the world number one Serb was beaten in the third round at Toronto.

World No.2 Rafael Nadal will next face Richard Gasquet for a place in Monday's final.

Federer suffered a stunning US Open fourth round straight-sets upset at the hands of Spanish 19th-seed Tommy Robredo on Monday.

Federer fell to Spanish 19th seed Tommy Robredo 7-6 (7/3), 6-3, 6-4, dooming hopes for a potential quarter-final match with 12-time Grand Slam winner Rafael Nadal.

Roger Federer, who won five consecutive U.S. Opens from 2004-08, next plays 19th-seeded Tommy Robredo of Spain. Win that, and Federer could face 12-time major champion Rafael Nadal in the quarterfinals in what would be the rivals' 32nd meeting