Melbourne United began their NBL season with a statement 103-83 victory over local rivals South East Melbourne Phoenix on September 25. In the opening match of the NBL's 2025-26 season, United showcased their championship credentials with a powerful all-around performance at home. They set the tone early with aggressive defense and efficient three-point shooting, building a substantial lead by halftime that the Phoenix could never recover from. The twenty-point margin underscores Melbourne United's depth and firepower, sending a clear message to the rest of the league. For the South East Melbourne Phoenix, the heavy defeat in the first Melbourne Derby of the season is a disappointing start, highlighting defensive issues that need immediate addressing. The win immediately puts Melbourne United at the top of the early NBL ladder.