The world number 12 tees off at 12:40pm Irish time on Thursday morning.
Shane Lowry begins his opening round of the US Open in Oakmount tomorrow.
The Offaly man tees off at 12:40pm alongside previous winners Justin Rose and Rory McIlroy as he sets out to win his second major.
The world number 12 held a four shot lead in 2016 before losing out to Dustin Johnson and finishing tied second.
Head Professional in Tullamore Golf Club Brian McCormack says Lowry has every chance if he's in contention come Sunday:
Coverage with thanks to Keenan Bauer Motors Mullingar - Your home for Citroen and Honda in the Midlands - Keenanbauer.com
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