Complex sentence: Evans also won the Western Open in 1910 when he defeated George Simpson 6 and 5 in the 36-hole final, the only amateur to do so until Scott Verplank in 1985.
Split into simpler sentences: Evans also won the Western Open in 1910 by defeating George Simpson 6 and 5 in the 36-hole final. He was the only amateur to do so until Scott Verplank in 1985.