Open Championship tee times: Shane Lowry in star group with Jon Rahm and Louis Oosthuizen

Rory McIlroy, Pádraig Harrington, and Darren Clarke are the other Irish competitors this week

Shane Lowry is aiming to defend his title at Royal St George's. (Photo by Chris Trotman/Getty Images)

Shane Lowry will begin the defence of his Open title alongside tournament favourite Jon Rahm and Louis Oosthuizen at Royal St George's on Thursday morning.

The Offaly man will tee it up on the Kent coast at 9.58am and will return on Friday for a 2.59pm tee-off time.