US Open men's singles results

Following are the men's singles results from the fourth day of the 2016 US Open tennis championships on Thursday (prefix number denotes seeding):

Second round

Pablo Carreqo-Busta, Spain, bt Janko Tipsarevic, Serbia, 3-6, 4-6, 6-1, 6-4, 6-4

Juan Martmn Del Potro, Argentina, bt Steve Johnson, United States, 7-6 (7/5), 6-3, 6-2

11-David Ferrer, Spain, bt Fabio Fognini, Italy, 6-0, 4-6, 5-7, 6-1, 6-4

14-Nick Kyrgios, Australia, bt Horacio Zeballos, Argentina, 7-5, 6-4, 6-4

Daniel Evans, Britain, bt 27-Alexander Zverev, Germany, 6-4, 6-4, 5-7, 6-2

3-Stan Wawrinka, Switzerland, bt Alessandro Giannessi, Italy, 6-1, 7-6 (7/4), 7-5

6-Kei Nishikori, Japan, bt Karen Khachanov, Russia, 6-4, 4-6, 6-4, 6-3

Nicolas Mahut, France, bt Paul-Henri Mathieu, France, 6-4, 6-4, 6-2

21-Ivo Karlovic, Croatia, bt Donald Young, United States, 6-4, 7-6 (7/4), 6-4

Jared Donaldson, United States, bt Viktor Troicki, Serbia, 7-5, 6-3, 6-3

Joco Sousa, Portugal, bt 16-Feliciano Lopez, Spain, 6-2, 6-4, 1-6, 7-5

22-Grigor Dimitrov, Bulgaria, bt Jirimy Chardy, France, 4-6, 6-4, 3-6, 6-4, 6-2

Paolo Lorenzi, Italy, bt 30-Gilles Simon, France, 3-6, 6-2, 6-2, 6-7 (1/7), 7-6 (7/3)

2-Andy Murray, Britain, bt Marcel Granollers, Spain, 6-4, 6-1, 6-4

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