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• Draw and results

Davydenko, who has already won the Miami Masters title this season, will now take on triple defending champion Rafael Nadal for a place in Sunday's final.

But his win in two hours and 45 minutes was desperately mediocre with both players plagued by errors. In the second set alone there were seven breaks of serve in 10 games.

Davydenko recovered from falling 1-3 down in the opening set before breaking his 24-year-old opponent in the fifth and seventh games.

After their woeful second set, Andreev was soon ahead again at 3-1 in the decider before Davydenko had the opportunity to serve out the match in the ninth game.

However Andreev secured the 14th break of the quarter-final to go to 4-5 and then wasted two break points in the 11th before Davydenko broke again in the 12th to claim victory.

In a brutal summary of the tie, Davydenko sent down 61 unforced errors to Andreev's 54.