| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Matanovic vs Portisch |
| 1-0 | 46 |
1959 |
Jugoslavien | C07 French, Tarrasch |
| 2. Portisch vs A Matanovic |
| ½-½ | 16 |
1959 |
Beograd | E25 Nimzo-Indian, Samisch |
| 3. A Matanovic vs Portisch |
| ½-½ | 21 |
1960 |
Leipzig | B19 Caro-Kann, Classical |
| 4. A Matanovic vs Portisch |
| ½-½ | 37 |
1961 |
Bled | B14 Caro-Kann, Panov-Botvinnik Attack |
| 5. Portisch vs A Matanovic |
| 1-0 | 28 |
1965 |
Zagreb | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 6. Portisch vs A Matanovic |
| 0-1 | 38 |
1965 |
Yerevan | A17 English |
| 7. A Matanovic vs Portisch |
| 0-1 | 39 |
1965 |
Beverwijk | B83 Sicilian |
| 8. Portisch vs A Matanovic |
| ½-½ | 14 |
1966 |
Palma de Mallorca | E17 Queen's Indian |
| 9. Portisch vs A Matanovic |
| ½-½ | 51 |
1967 |
Sousse Interzonal | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 10. Portisch vs A Matanovic |
 | 1-0 | 38 |
1968 |
Skopje | A14 English |
| 11. Portisch vs A Matanovic |
| ½-½ | 37 |
1968 |
Wijk aan Zee | A07 King's Indian Attack |
| 12. Portisch vs A Matanovic |
| 1-0 | 39 |
1971 |
Adelaide | A14 English |
| 13. A Matanovic vs Portisch |
| ½-½ | 40 |
1973 |
Ljubljana | C05 French, Tarrasch |
| 14. Portisch vs A Matanovic |
| ½-½ | 41 |
1976 |
Biel | A14 English |