Pietrzak, Jason
Current rating: 1485
Record: 0-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 456 | Roybal, Dane (1646) | Lost 0-2 | -151485 |
| record: 0-1 | new rating: 1485 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 456 | Roybal, Dane (1646) | Lost 0-2 | -151485 |
| record: 0-1 | new rating: 1485 | |||