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Spain's Tommy Robredo takes contol of the match against his compatriot Albert Costa and wins the first two sets 6-2 6-3

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But the French Open defending champion Costa fights back and takes the third set 6-4

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As Robredo loses his concentration, Costa breaks his opponent's serve and leads 4-3 in the fourth set

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Costa closes out the fourth set 7-5 and enters a fifth set for the fourth time in this year's tournament

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Costa's match practice stands him in good stead as he dominates the final set, winning it 6-2 to clinch the match

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The 2002 champion will now play Juan Carlos Ferrero for a place in the final

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Juan Carlos Ferrero of Spain easily takes the first set 6-1 against Chilean Fernando Gonzalez

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Gonzalez, finally finding his form, fights back and takes the next set off the number three seed 6-3

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But Ferrero turns the tables, staging an impressive comeback to take the third set 6-1

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Gonzalez digs deep and sends the match into the fifth set winning the fourth 7-5

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But Ferrero holds his nerve in a tight deciding set to wrap up the match with a 6-4 win and seal his semi-final spot