 Complete the following phrase:  Taking exception to Lesnars boasting about ending The Streak, The Undertaker cost him a WWE World Heavyweight Championship victory at Battleground in July 2015, instigating a rematch between the two at the next months SummerSlam. At that event on August 23, after a distraction and a low blow, The Undertaker gained his first televised singles victory over Lesnar when the latter passed out to Hells Gate. A Hell in a Cell match between the pair at Octobers 