Group D of the 1968 Summer Olympics football tournament took place from 14 to 18 October 1968. The group consisted of Bulgaria, Czechoslovakia, Guatemala, Thailand. The top two teams, Bulgaria and Guatemala, advanced to the quarter-finals. Standings. In the quarter-finals: Matches. Guatemala vs Czechoslovakia. <section begin=D1 /><section end=D1 /> Bulgaria vs Thailand. <section begin=D2 /><section end=D2 /> Bulgaria vs Czechoslovakia. <section begin=D3 /><section end=D3 /> Guatemala vs Thailand. <section begin=D4 /><section end=D4 /> Bulgaria vs Guatemala. <section begin=D5 /><section end=D5 /> Czechoslovakia vs Thailand. <section begin=D6 /><section end=D6 />