Then a match play championship, defending champion Walter Hagen defeated Bill Mehlhorn 6 and 5 in the finals on Courses 3 and 4 to win his second consecutive PGA Championship, his third overall, and the seventh of his eleven major titles.

The victory ran Hagen's match record at the PGA Championship in the 1920s to 20–1 (.952), falling only to Gene Sarazen in 38 holes in the 1923 finals.

Hagen had close calls in this event; his first round match with low qualifier Al Watrous went to 39 holes[5] and the quarterfinal match with future two-time champion Leo Diegel went to 40 holes after Diegel built an early lead.

The four 18-hole courses at Olympia Fields were reduced to two in the 1940s when the club sold half of its property.

[6] The match play format at the PGA Championship in 1925 called for 12 rounds (216 holes) in six days:[4] Saturday, September 26, 1925