Result: Juan Martin del Potro through to Madrid Open semi-finals

Juan Martin Del Potro
© PA Photos
Juan Martin del Potro will face either Fernando Verdasco or Tomas Berdych in the Madrid Open semi-finals after beating Alexandr Dolgopolov in straight sets.

Juan Martin del Potro has advanced to the semi-finals of the Madrid Open with a comfortable 6-3 6-4 victory over Alexandr Dolgopolov.

Both players started strongly, with Del Potro serving powerfully while his opponent produced a stunning lob to prevent the Argentine from breaking.

It wasn't long though until the former US Open champion stamped his authority on the match by breaking the Ukrainian in the fourth game.

Dolgopolov fought back with a break of his own but Del Potro immediately regained control by winning two straight games to take the first set.

Just the one break of serve would decide the second, with the world number 11 displaying his greater experience against an opponent who was playing in only his second Masters quarter-final.

That made the score 3-2 and from then on it was routine for Del Potro, who wrapped up victory in an hour and a half.

He will face either Fernando Verdasco or Tomas Berdych in the last four.

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ATP RankingsPoints
1Scotland flag Andy Murray7,750
2Spain Rafael Nadal7,465
3Switzerland Roger Federer6,545
4Serbia Novak Djokovic6,325
5Switzerland Stanislas Wawrinka6,140
6Croatia Marin Cilic5,075
7Austria Dominic Thiem4,030
8Japan Kei Nishikori3,740
9Canada Milos Raonic3,310
10Bulgaria Grigor Dimitrov3,160
11Alexander Zverev3,160
12France Jo-Wilfried Tsonga2,805
13France Gael Monfils2,775
14Belgium David Goffin2,605
15Czech Republic Tomas Berdych2,570
16Pablo Carreno Busta2,350
17United States Jack Sock2,290
18Lucas Pouille2,255
19Spain Roberto Bautista Agut2,245
20Australia Nick Kyrgios1,940