James Rodney Phillips vs Josif Stefanov
World U20 ch final A Muenchenstein SUI round 7 1959.08.03
Sicilian Defense: Accelerated Dragon 1/2-1/2

Josif Stefanov vs Petko Kostov
BUL-ch Sofia BUL round 3 1959.02.10
King’s Indian Defense: Fianchetto Variation, Yugoslav Variation 0-1

Christian Clemens vs Josif Stefanov
World U20 ch final A Muenchenstein SUI round 5 1959.07.31
Sicilian Defense: Accelerated Dragon, Maróczy Bind 1/2-1/2