Dan Mattera, a sophomore from the University of San Diego, upset No. 4-seeded Trevor Kronemann of UC Irvine, 6-4, 6-2, in the semifinals of the Rolex/ITCA Southern California regional tennis tournament Saturday at Irvine.
In today's final at 10:30 a.m., Mattera will play No. 2-seeded Byron Black of USC. Black, a freshman from Zimbabwe, defeated Doug Sachs of Arizona State, 7-6, 6-2, in the other semifinal match.
Black defeated teammate Andy Olyphant, 6-4, 6-2, in the quarterfinals, and Mattera beat UCLA's Bob Bierens, 6-4, 6-3.