Jeferson Guaresi vs Ronaldo Souza Jr
Jeferson Guaresi and Ronaldo Souza Jr have met 2 times in recorded professional competition. Ronaldo Souza Jr leads the series 2–0.
| Year | Result | Method | Event |
|---|---|---|---|
| 2022 | Ronaldo Souza Jr | Pts: 9x0 | World Champ. |
| 2020 | Ronaldo Souza Jr | Pts: 4x2 | No Gi Pan Am. |