The Undertaker is taking on CM Punk at Wrestlemania 29, so of his 20 victories which was was the best?
http://www.ranker.com/list/the-best-undertaker-wrestlemania-match/ryanwitalison,
Undertaker Vs. Randy Orton
Wrestlemania 21: April 3, 2005
Undertaker Vs. Jimmy Superfly Snuka
Wrestlemania 7: March 24, 1991 - The Undertaker's Wrestlemania debut
Undertaker Vs. Triple H I
Wrestlemania 17: April 1, 2001
Undertaker Vs. Triple H III
Wrestlemania 28: April 1, 2012
Undertaker Vs. Triple H II
Wrestlemania 27: April 3, 2011
Undertaker Vs. Shawn Michaels II
Wrestlemania 26: March 28, 2010 - Career vs. Streak
Undertaker Vs. Shawn Michaels I
Wrestlemania 25: April 5, 2009
Undertaker Vs. Edge
Wrestlemania 24: March 30, 2008
Undertaker Vs. Batista
Wrestlemania 23: April 1, 2007
Undertaker Vs. Mark Henry
Wrestlemania 22: April 2, 2006