Ross, Joshua
Current rating: 1550
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1033 | Krawiec, Alex (1500) | Won 2-1 | +171572 |
| 2sealed | 1110 | Doberne, David (1500) | Lost 0-2 | -201552 |
| 3sealed | 1113 | Garguy, John Alexander (1409) | Won 2-0 | +161568 |
| 4sealed | 1102 | Bustos, Marco Antonio (1574) | Lost 1-2 | -181550 |
| 5sealed | 943 | Hallach, Michael (1499) | Won 2-0 | +171567 |
| 6sealed | 718 | Wise, Christopher (1616) | Lost 1-2 | -171550 |
| top | average opponent: 1516record: 3-3 | new rating: 1550 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 187 | Tudor, Seth (1516) | Lost 0-2 | -191557 |
| 3legacy | 349 | Tinsley, Kevin (1552) | Lost 0-2 | -181539 |
| 4legacy | 504 | Caruso, Corado (1482) | Won 2-0 | +171556 |
| 5legacy | 300 | Poehling, Rick (1552) | Won 2-0 | +181574 |
| 6legacy | 306 | Workman, Bryan (1516) | Lost 1-2 | -191555 |
| top | average opponent: 1524record: 2-3 | new rating: 1555 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 182 | Thompson, Derek A (1519) | Won 2-0 | +181518 |
| 3sealed | 108 | Muranaka, Aaron (1595) | Won 2-1 | +201538 |
| 4sealed | 40 | Cox, Patrick (1484) | Lost 0-2 | -191519 |
| 5sealed | 133 | Hendrickson, Mark (1686) | Lost 0-2 | -151504 |
| 6sealed | 195 | Woods, Jake (1507) | Won 2-1 | +181522 |
| 7sealed | 82 | Baker, Bob (1545) | Won 2-0 | +181540 |
| 8sealed | 89 | Gray, Jeremy (1517) | Won 2-0 | +181558 |
| 9sealed | 28 | Brown, Paul A (1573) | Won 2-1 | +181576 |
| top | average opponent: 1553record: 6-2 | new rating: 1576 | ||