Paths to US Open men's singles semifinals

Following are the paths to the US Open men's singles semifinal (prefix number denotes seeding):

1-Novak Djokovic, Serbia, vs 9-Marin Cilic, Croatia

Djokovic

1st rd: bt Joao Souza (Brazil) 6-1, 6-1, 6-1

2nd rd: bt Andreas Haider-Maurer (Austria) 6-4, 6-1, 6-2

3rd rd: bt 25-Andreas Seppi (Italy) 6-3, 7-5, 7-5

4th rd: bt Roberto Bautista Agut (Spain) 6-3, 4-6, 6-4, 6-3

QF: bt 18-Feliciano Lopez (Spain) 6-1, 3-6, 6-3, 7-6 (7/2)

Cilic

1st rd: bt Guido Pella (Argentina) 6-3, 7-6 (7/3), 7-6 (7/3)

2nd rd: bt Evgeny Donskoy (Russia) 6-2, 6-3, 7-5

3rd rd: bt Mikhail Kukushkin (Kazakhstan) 6-7, 7-6, 6-3, 6-7 (3/7), 6-1

4th rd: bt 27-Jeremy Chardy (France) 6-3, 2-6, 7-6 (7/2), 6-1

QF: bt 19-Jo-Wilfried Tsonga (France) 6-4, 6-4, 3-6, 6-7 (3/7), 6-4

Endi