after performing an F-5, he was attacked by The Undertaker (who incapacitated Lesnar with a chokeslam and two Tombstone Piledrivers), thus ending the match with Lesnar winning by disqualification and Rollins retaining the championship. Suplex City (2015–2017) The following night on Raw, Undertaker explained that he had attacked Lesnar not for ending his WrestleMania streak, but rather for Lesnar allowing Heyman to constantly taunt him about it, which led to the two brawling throughout the arena and a WrestleMania rematch being scheduled for SummerSlam on August 23, where Undertaker controversially defeated Lesnar. The timekeeper rang the bell as Undertaker had supposedly submitted to Lesnar's Kimura lock, though the referee had not seen any submission. In the ensuing confusion, Undertaker hit Lesnar with a low blow and applied his Hell's Gate submission hold, in which Lesnar passed out. The following night on Raw, Lesnar and Heyman challenged Undertaker to an immediate rematch, only to be confronted by Bo Dallas (who mocked Lesnar about his defeat); Lesnar responded with five German suplexes and an F-5. At Hell in a Cell on October 25, Lesnar defeated Undertaker in a Hell in a Cell match after a low blow and F-5 onto the exposed ring floor, ending their feud. The match was later voted "Match of the Year" during the 2015 Slammy Awards. On the January 11, 2016, episode of Raw, Lesnar returned, attacking The New Day, The League of Nations (Sheamus, King Barrett, Rusev and Alberto Del Rio) and Kevin Owens, before performing an F-5 on Roman Reigns. The following week on Raw, he brawled with Reigns until they were attacked by The Wyatt Family. At the Royal Rumble on January 24, Lesnar was the 23rd entrant, eliminating Jack Swagger and The Wyatt Family minus Bray Wyatt before being eliminated by the Wyatt Family members he had eliminated first. He later defeated Wyatt and Luke Harper in a two-on-one handicap at the Road Block pay-per-view event. On the January 25 episode of Raw, Stephanie McMahon scheduled a triple threat match between Lesnar, Roman Reigns and Dean Ambrose for Fastlane to determine who would challenge Triple H's for the WWE World Heavyweight Championship at WrestleMania 32. In the following weeks, Lesnar was continuously provoked by Ambrose, with Reigns saving him from the subsequent attacks by Lesnar. At Fastlane on February 21, Lesnar dominated most of the match before he was put through two broadcast