Delray Beach, Florida, 26 February 2011 | AP

Juan Martin del Potro of Argentina advanced to his third consecutive semi-final by beating Kevin Anderson of South Africa 6-4 6-4 in the Delray Beach Championships on Friday.

Del Potro, the 2009 US Open champion, reached the San Jose and Memphis semi-finals in the past two weeks. He’ll next face Mardy Fish, who defeated Alejandro Falla of Colombia, 6-1 6-4.

Del Potro is making a comeback from wrist surgery that kept him off the ATP Tour for much of 2010.

“Three semi-finals in three weeks, so it’s great for my comeback,” the Argentine said.

“I hope I play well tomorrow against Mardy.”

Fish reached his fourth career Delray Beach semi-final. He won the Delray title in 2009.

Del Potro never offered Anderson a break point opportunity in their match and took advantage of both break points he was presented. Meanwhile, the second-seeded Fish was able to break Falla’s serve three times.

“I came out and took advantage of some errors he gave me and I played pretty clean,” Fish said.

“I stepped it up some in my last two service games and closed it out.”

The other semi-final will feature Kei Nishikori, the 2008 Delray champion, and sixth-seeded Janko Tipsarevic of Serbia.

Tipsarevic defeated Ivan Dodig of Croatia 7-6 (7-0) 6-1 in the quarter-finals, while the 66th-ranked Nishikori beat American Ryan Sweeting 6-7 (7-5) 6-2 6-4.