Donathan, Matthew
Current rating: 1500
Record: 6-6
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 715 | Bolanos, Christopher (1500) | Lost 0-2 | -181481 |
| 2modern | 784 | Portello, James (1450) | Won 2-0 | +171498 |
| 3modern | 909 | Montano, Joslynn (1500) | Won 2-0 | +191517 |
| 4modern | 515 | Gaynor, James (1518) | Won 2-1 | +181535 |
| 5modern | 293 | Fello, Bobby (1624) | Lost 0-2 | -171518 |
| 6modern | 541 | Register, Travis (1505) | Lost 1-2 | -181500 |
| average opponent: 1516record: 3-3 | new rating: 1500 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 402 | Sell, Steven (1500) | Lost 0-2 | -181482 |
| 2sealed | 431 | Waltzer, Kyle (1434) | Won 2-0 | +171499 |
| 3sealed | 355 | Donovan, Tate (1502) | Lost 1-2 | -181481 |
| 4sealed | 433 | Pak, Johnny (1474) | Won 2-0 | +181499 |
| 5sealed | 323 | Higley, Matthew (1501) | Won 2-0 | +181517 |
| 6sealed | 259 | Skypala, Gabe (1516) | Lost 0-2 | -181499 |
| average opponent: 1488record: 3-3 | new rating: 1499 | |||