[3] After finishing at Baylor in 1967, Guerry went to Rice University for four years and played in a strong varsity side which were runners-up in the NCAA Championships twice, in 1968 and 1970.

[3] He was a losing finalist, to Butch Seewagen, at the 1969 United States Amateur Championships and earned multiple All-American selections, before graduating in 1971.

Following that he went to Wharton Business School and worked at the Texas Commerce Bank in Houston as a financial planner when not playing tennis.

His only Grand Prix title came at Jackson in 1973, when he partnered South African Frew McMillan to win the Mississippi International Indoor Tennis Championship doubles tournament.

[4] It wasn't the first time he had beaten him in a match, having caused a greater upset while at Rice University in 1971 when he defeated the then number one ranked Smith in Houston.