Roberto Frias vs William Dias
Roberto Frias and William Dias have met 3 times in recorded professional competition. William Dias leads the series 2–1.
| Year | Result | Method | Event |
|---|---|---|---|
| 2019 | William Dias | — | Pan Pacific IBJJF Jiu-Jitsu Championship |
| 2018 | Roberto Frias | — | Pan Pacific IBJJF Jiu-Jitsu Championship |
| 2018 | William Dias | — | Pan Pacific IBJJF Jiu-Jitsu Championship |