2019 US Open Men's Day One Schedule: Defending champion Djokovic and Federer headline opening day in Flushing Meadows

Those two are Novak Djokovic and Roger Federer. The former is the defending champion in the event and begins his quest to win back-to-back titles against Roberto Carballes Baena.

Federer follows him at the Arthur Ashe Stadium. He faces qualifier Sumit Nagal as he searches for his first title in the event since 2008 and to add to his five triumphs in the event.

Daniil Medvedev, the champion in Cincinnati headlines the line-up at the Louis Armstrong Stadium when he takes on Prajnesh Gunneswaran as he aims to upset the apple cart and go all the way in New York.

Stan Wawrinka, a former champion in the event follows him when he takes on up and coming Jannik Sinner in what could garner a shock on the opening day.

Pierre-Hugues Herbert vs Alex de Minaur is among the other ties of the opening day on the other courts with the likes of David Goffin, Kei Nishikori and Winston-Salem champion Hubert Hurkacz.

Click here for the preview on the US Open ahead of the latest Grand Slam beginning in New York and Click here for the Men's draw in full

Order of Play - Monday August 26

Arthur Ashe Stadium start 12:00
WTA Match
[1] Novak Djokovic vs Roberto Carballes Baena

Not Before 19:00
WTA Match
[3] Roger Federer vs Sumit Nagal

Louis Armstrong Stadium start 11:00
WTA Match
[5] Daniil Medvedev v Prajnesh Gunneswaran
WTA Match

Not Before 19:00
[23] Stan Wawrinka vs Jannik Sinner
WTA Match

Grandstand start 11:00
[7] Kei Nishikori vs Marco Trungelliti
WTA Match
Sam Querrey vs Juan Ignacio Londero
WTA Match

Court 17 start 11:00
WTA Match
[11] Fabio Fognini vs Reilly Opelka
WTA Match

Not Before 17:00
[26] Taylor Fritz vs Feliciano Lopez

Court 5 start 11:00
Two WTA Matches
Zachary Svajda vs Paolo Lorenzi
[21] Milos Raonic vs Nicolas Jarry

Court 10 start 11:00
WTA Match
Adrian Mannarino vs Daniel Evans
Gregoire Barrere vs Cameron Norrie
WTA Match

Court 13 start 11:00
Tomas Berdych vs Jenson Brooksby
Soonwoo Kwon vs Hugo Dellien
Two WTA Matches

Court 4 start 11:00
Two WTA Matches
[15] David Goffin vs Corentin Moutet
Yoshihito Nishioka vs Marcos Giron

Court 6 start 11:00
[17] Nikoloz Basilashvili v Marton Fucsovics
Two WTA Matches
[19] Guido Pella vs Pablo Carreno Busta
Court 7 start 11:00
[31] Cristian Garin vs Christopher Eubanks
WTA Match
[12] Borna Coric vs Evgeny Donskoy
WTA Match

Court 8 start 11:00
WTA Match
Pierre-Hugues Herbert vs Alex de Minaur
Dominik Koepfer vs Jaume Munar

Court 9 start 11:00
Two WTA Matches
[25] Lucas Pouille vs Philipp Kohlschreiber
Ricardas Berankis vs Jiri Vesely

Court 11 start 11:00
Thiago Monteiro vs Bradley Klahn
WTA Match
Andreas Seppi vs Grigor Dimitrov
WTA Match

Court 12 start 11:00
Denis Kudla vs Janko Tipsarevic
Two WTA Matches
Jack Sock vs Pablo Cuevas

Court 14 start 11:00
Two WTA Matches
Laslo Djere vs Miomir Kecmanovic
Hubert Hurkacz vs Jeremy Chardy

Court 15 start 11:00
[27] Dusan Lajovic vs Steve Darcis
Two WTA Matches
Elliot Benchetrit vs Damir Dzumhur