The women open on Thursday in Waco (Baylor), while the men play on Friday in Fort Worth (TCU).
Birowski claimed the singles title in Draw 3 as well as a consolation win in doubles.
Anna Wichert went 3-1 in her first tournament as a Maverick, winning the consolation bracket.
UTA takes on South Alabama on Saturday in a rematch of the 2015 Sun Belt Championship match.
UTA swept through the SBC pod hosted by Texas State with a pair of wins.