The expansion Syracuse Salty Dogs drew 10,721 fans at P&C Stadium for their home-opening 3-0 win over Toronto. The win was the third in a row for Laurie Calloway's team.
Idle Vancouver (3-0-0) is the only other unbeaten and untied team.
Virginia Beach, the surprise of the early going, moved to 4-1-0 with a 5-2 win over Charleston. Dante Washington scored two more goals to give him six in five games. The win moved the Mariners within one point of the Battery in the Southeast Division and gave them the victory in their U.S. Open Cup qualification series.
Minnesota tied Cincinnati for first place in the Central Division with a pair of road wins. The Riverhawks, who have played two more games than the Thunder, won their four game with a 2-1 win at Indiana.
The Milwaukee Wave United, which replaced the defending champion Rampage as the A-League's Milwaukee representative, lost its opener, falling to Minnesota, 2-0.
Montreal drew 7,128 fans for its home opener against Richmond (0-0) at the Claude Robillard Sports Complex.