Lev Polugaevsky vs Predrag Ostojic
Belgrade Belgrade YUG round 14 1969.12.??
Sicilian Defense: Accelerated Dragon, Maróczy Bind 1-0

Vladimir Kovacevic vs Predrag Ostojic
YUG YUG 1969.??.??
Dutch Defense: Krause Variation 1/2-1/2

Albin Planinc vs Predrag Ostojic
YUG-ch 20th Novi Sad YUG round 18 1965.03.04
Sicilian Defense: Sozin Attack, Fischer Variation 1-0

Predrag Ostojic vs Mikhail Botvinnik
Hoogovens Wijk aan Zee NED round 1 1969.01.14
French Defense: Tarrasch Variation, Botvinnik Variation 0-1

Predrag Ostojic vs Jordi Cuadras Avellana
Olot Olot ESP round 2 1974.03.18
Ruy Lopez: Closed 1-0

Mikhail Botvinnik vs Predrag Ostojic
Belgrade Belgrade YUG round 9 1969.12.??
Modern Defense: Averbakh System 1-0

Efim Geller vs Predrag Ostojic
Belgrade Belgrade round 3 1969.11.??
Sicilian Defense: Accelerated Dragon, Maróczy Bind 0-1