Underground featured professional wrestling matches, which involved different wrestlers from pre-existing scripted feuds, plots, and storylines that played out on ROH's television programs. Wrestlers portrayed villains or heroes as they followed a series of events that built tension and culminated in a wrestling match or series of matches.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Kenny King defeated Andy Ridge
- Mike Bennett defeated Grizzly Redwood
- Kevin Steen defeated Adam Cole
- The Briscoes (Jay Briscoe & Mark Briscoe) (c) defeated Caprice Coleman & Cedric Alexander to retain the ROH World Tag Team Championship
- A-1 (Jefferson Early & Zachary Hilton) defeated Wrestling's Greatest Tag Team (Charlie Haas & Shelton Benjamin) by DQ
- Tommaso Ciampa (w/ Mia Yim, Mr. Ernesto Osiris, Prince Nana & RD Evans) defeated Jay Lethal in a Proving Ground Match
- Team Ambition (Davey Richards & Kyle O'Reilly) defeated The House Of Truth (Michael Elgin & Roderick Strong) (w/ Truth Martini) in a ROH World Tag Team Title #1 Contendership Match
|2012 Ring of Honor Events|
The Homecoming • Underground • Rise & Prove • 10th Anniversary Show • Showdown In The Sun • Unity • Rising Above • Border Wars • The Battle Of Richmond • The Nightmare Begins • Best In The World • Live Strong • Brew City Beatdown • Boiling Point • Caged Hostility • Death Before Dishonor X • Killer Instinct • Glory by Honor XI • Final Battle