Kei Nishikori

The longest match of the day was Kei Nishikori's 5-7, 7-6 (8-6), 3-6, 7-6 (7-3), 6-1 upset over No. 11 Marin Cilic, which lasted a minute shy of five hours. …

Kei Nishikori, the only Japanese man in the draw, overcame arm and leg cramps to beat 11th seed Marin Cilic of Croatia in a five-set match that took 4 hours …

Kei Nishikori upsets Marin Cilic in five tough sets on Thursday at the U.S. Open. Nishikori is just barely though to a third-round encounter with Albert Montanes.

Photo: Paul J. Bereswill / AP Kei Nishikori of Japan celebrates after upsetting Marin Cilic of Croatia at the US Open tennis tournament in New York, …

Kei Nishikori ? he might crawl. Second-seeded Federer breezed through his match at steamy Flushing Meadows on Thursday, defeating Germany's Andreas Beck 6 …

Kei Nishikori of Japan wipes off his face during his match against eleventh seeded Marin Cilic of Croatia at the US Open 2010 tennis tournament at the USTA …

Kei Nishikori's victory over eleventh seed Marin Cilic is in my mind the biggest upset. I would never have picked this one. Here are others to watch for …

It was painful to watch at times, but Kei Nishikori's 5-7, 7-6, 3-6, 7-6, 6-1 victory over No. 11 Marin Cilic in the second round of the 2010 US Open was a …

NEW YORK ? Roger Federer has rolled into the third round of the US Open while sixth seed Nikolay Davydenko lost and Japanese qualifier Kei Nishikori dumped …

Marin Cilic and Kei Nishikori will do battle in an intriguing clash on Thursday at the U.S. Open. A place in the third round is on the line.