Event 4: $25,000 + 1,000 Mixed Game Championship
Details
| Series | U.S. Poker Open 2018 |
| Event | Event 4 |
| Buy In | $25000 |
| Players Paid | 7 |
Payouts
| 1st |  Stephen Chidwick |
$382,500 |
| 2nd |  Christopher Vitch |
$247,500 |
| 3rd |  Isaac Haxton |
$168,750 |
| 4th |  Benjamin Pollack |
$112,500 |
| 5th |  Dan Shak |
$90,000 |
| 6th |  Phil Hellmuth |
$67,500 |
| 7th |  Daniel Negreanu |
$56,250 |