He faces third seed Stefanos Tsitsipas this evening.
The US Open gets underway at Flushing Meadows in New York this afternoon.
The former world number one Andy Murray faces third seed Stefanos Tsitsipas this evening.
Daniil Medvedev, Naomi Osaka and Coco Gauff are also in first round action later.
Dan Evans faces Brazil's Thiago Monteiro, before Cameron Norrie meets Carlos Alcaraz of Spain.
In the women's draw, British number one Johanna Konta goes up against Kristina Mladenovic, Heather Dart also faces French opposition in Caroline Garcia and Heather Watson takes on Slovenian Kaja Juvan.
Big Week Ahead For Irish Jockeys At Cheltenham
Big Weekend For Midlands Sides In LGFA And Camogie
Ireland Host Wales In U20 Six Nations
Ireland And Wales Meet In Crucial Six Nations Clash
Alex Dunne Begins Formula 2 Campaign In Melbourne
NHL: Laois Welcome Meath To O'Moore Park
Shane Lowry Says Daughter Helped Him See Positives After Florida Finish
Ronan Foxe Signs Two Year Contract With Munster
Athlone Town Travel To Bray Wanderers In First Division
Healthy Offaly 5K Series Gets Underway This Weekend
Shane Lowry Back In Action This Afternoon
Ronan Deegan Gearing Up For Second Professional Fight
Michael Milne Returns To Ireland Squad For Welsh Clash
Focus Turns To Arnold Palmer Invitational For Shane Lowry
Alex Dunne Joins Alpine Academy
CCFL: St Peter's And Willow Park Continue To Impress
Athlone Town Aiming To Kick Off New Season With Silverware
Portlaoise Panthers Suffer Home Defeat In Women's Super League
Buccaneers Suffer Heavy Defeat Away To Navan
NFL: Laois Were Superior Than Us In The Second Half - Mark McHugh