Roll, Justin
Current rating: 1502
Record: 4-4
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1585 | Pescaru, George (1500) | Won 2-0 | +181518 |
| 2sealed | 1564 | LeFevre, Robert D (1532) | Won 2-0 | +181536 |
| 3sealed | 1723 | Mazoch, Eric (1536) | Lost 0-2 | -181518 |
| 4sealed | 1711 | Ordonez, Hugo V (1508) | Lost 1-2 | -181500 |
| 5sealed | 1358 | Shields, Jonathon (1405) | Won 2-0 | +161516 |
| 6sealed | 1105 | Cooperfauss, Andrew (1696) | Won 2-1 | +221538 |
| 7sealed | 811 | Bowden, Ian (1556) | Lost 0-2 | -181520 |
| 8sealed | 687 | Parise, Brett (1511) | Lost 0-2 | -181502 |
| average opponent: 1530record: 4-4 | new rating: 1502 | |||