The Undertaker and Triple H first met at WrestleMania X-Seven.
The Deadman was victorious, extending his Streak to 9-0.
They clashed again 10 years later, at WrestleMania XXVII.
In a bout that left both men battered, The Phenom forced Triple H to tap out in Hell's Gate to go 19-0 at The Show of Shows.
In what was called "The End of an Era," The Undertaker and Triple H locked horns inside Hell in a Cell at WrestleMania XXVIII.
Although guest referee Shawn Michaels tried to help The Cerebral Assassin win, The Undertaker's supernatural abilities were too much to overcome. The Phenom's unparalleled Streak went to 20-0.
Before Triple H resumed his quest to end The Streak, it was HBK who tried to knock The Undertaker off his pedestal.