The Diamonds bracket rounds out the opening action of the 2013 National Heads-Up Championship, with players battling for a shot at the $750,000 top prize. At the feature table, Liv Boeree takes on Gaelle Baumann. Outer table matchups include Erik Seidel vs. Tom Dwan, Tom Marchese vs. Doyle Brunson, and Brian Hastings vs. Matt Matros. Also in play: Nick Schulman vs. Eli Elezra, Greg Merson vs. Joe Serock, Mohsin Charania vs. Huck Seed, and Jason Mercier vs. Dan Smith.
| Name | Type | Role | |
|---|---|---|---|
| Oliver 'Ali' Nejad | Host | Himself - Commentator | |
| Matt Vasgersian | Host | Himself - Commentator | |
| Julie Donaldson | Host | Herself - Commentator |