Paths to US Open men's singles semis

Following are the paths to Friday's US Open men's singles semifinals:

Novak Djokovic (Serbia) vs 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 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 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 Jeremy Chardy (France) 6-3, 2-6, 7-6 (7/2), 6-1

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

Stan Wawrinka (Switzerland) vs Roger Federer (Switzerland)

Wawrinka

1st rd: bt Albert Ramos Vinolas (Spain) 7-5, 6-4, 7-6 (8/6)

2nd rd: bt Hyeon Chung (South Korea) 7-6 (7/2), 7-6 (7/4), 7-6 (8/6)

3rd rd: bt Ruben Bemmelmans (Belgium) 6-3, 7-6 (7/5), 6-4

4th rd: bt Donald Young (United States) 6-4, 1-6, 6-3, 6-4

QF: bt Kevin Anderson (South Africa) 6-4, 6-4, 6-0

Federer

1st rd: bt Leonardo Mayer (Argentina) 6-1, 6-2, 6-2

2nd rd: bt Steve Darcis (Belgium) 6-1, 6-2, 6-1

3rd rd: bt Philipp Kohlschreiber (Germany) 6-3, 6-4, 6-4

4th rd: bt John Isner (United States) 7-6 (7/0), 7-6 (8/6), 7-5

QF: bt Richard Gasquet (France) 6-3, 6-3, 6-1

Endi