of play when Peng returned long.

>Caroline Wozniacki has advanced to her second US Open final in dramatic and controversial fashion after Peng Shuai was forced to retire mid-match from their semi-final with severe cramping.Wozniacki was leading 7-6 (7-1) 4-3 and serving at 30-40 in the second set when the unseeded Chinese player had to forfeit.Wozniacki, the 10th seed, will play the winner of Friday's second semi-final between world No.1 and two-time defending champion Serena Williams and Russian Ekaterina Makarova in Sunday's title match.Peng Air Max 90 sale was escorted from Arthur Ashe Stadium in a wheelchair after twice breaking down in the intense heat.With Wozniacki down a break point trying to hold for a 5-3 advantage, Peng was afforded an "off-court evaluation" after suffering cramping in both legs.The 28-year-old was then allowed a three-minute medical timeout before returning to the court some quarter of an hour later.Commentating for American television, tennis great John McEnroe said Peng shouldn't have been allowed to play on, and certainly not without a penalty.Wozniacki won the first Air Max 2014 women point upon the resumption of play when Peng returned long.But the Dane coughed up her 10th double-fault to hand Peng another break point.Barely able to move, Peng was unable to capitalise and collapsed for a second time shortly after."I feel sick to my stomach watching this," McEnroe said before the match was finally stopped."This is crazy for letting this happen. It's a black eye. It's absurd."I Cheap Nike Air Max Shoes thought I'd seen it all.