| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. T Filep vs Portisch |
| ½-½ | 36 | 1963 | Hungarian Championship | C93 Ruy Lopez, Closed, Smyslov Defense |
| 2. Ivkov vs Portisch |
| ½-½ | 56 | 1963 | Sarajevo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 3. C van den Berg vs Portisch |
| ½-½ | 55 | 1964 | Hoogovens | C93 Ruy Lopez, Closed, Smyslov Defense |
| 4. Spassky vs Portisch |
 | ½-½ | 23 | 1966 | Second Piatigorsky Cup | C93 Ruy Lopez, Closed, Smyslov Defense |
| 5. W Pietzsch vs Portisch |
| ½-½ | 17 | 1966 | Havana Olympiad Final-A | C93 Ruy Lopez, Closed, Smyslov Defense |
| 6. N Minev vs Portisch |
| 0-1 | 73 | 1967 | Halle Zonal | C93 Ruy Lopez, Closed, Smyslov Defense |
| 7. Keres vs Portisch |
 | 0-1 | 90 | 1967 | Moscow | C93 Ruy Lopez, Closed, Smyslov Defense |
| 8. Geller vs Portisch |
| 1-0 | 23 | 1967 | Moscow | C93 Ruy Lopez, Closed, Smyslov Defense |
| 9. Gheorghiu vs Portisch |
| ½-½ | 20 | 1968 | Monte Carlo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 10. Spassky vs Portisch |
| ½-½ | 54 | 1968 | Lugano Olympiad Final-A | C93 Ruy Lopez, Closed, Smyslov Defense |
| 11. Kavalek vs Portisch |
| 0-1 | 53 | 1969 | Amsterdam IBM | C93 Ruy Lopez, Closed, Smyslov Defense |
| 12. Gheorghiu vs Portisch |
| ½-½ | 22 | 1972 | Las Palmas | C93 Ruy Lopez, Closed, Smyslov Defense |
| 13. Mecking vs Portisch |
| ½-½ | 31 | 1972 | San Antonio | C93 Ruy Lopez, Closed, Smyslov Defense |
| 14. Psakhis vs Portisch |
| ½-½ | 32 | 1986 | Sarajevo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 15. Huebner vs Portisch |
| ½-½ | 36 | 1986 | Tilburg Interpolis | C93 Ruy Lopez, Closed, Smyslov Defense |
| 16. Timman vs Portisch |
| ½-½ | 62 | 1989 | Timman - Portisch Candidates Quarterfinal | C93 Ruy Lopez, Closed, Smyslov Defense |
Kibitzing
