The senior tour gets tweaked - PBA Tidbits - uses format standardized by Professional Bowlers Association of America - Brief Article

Bowling Digest, August, 2003

THE SENIOR TOUR IS NOW using the single-elimination bracket match-play format that has been the standard on the PBA tour for the past two seasons. In the first two events under the new format, Steve Neff successfully defended a title for the first time in his career at Chillicothe, Ohio, and John Bennett won at his home center in Belleville, Mich., for his second career senior crown.