| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. F Kuijpers vs Portisch |
| 0-1 | 36 | 1964 | Tel Aviv Olympiad Final-A | C94 Ruy Lopez, Closed, Breyer Defense |
| 2. K Langeweg vs Portisch |
| ½-½ | 36 | 1965 | Hoogovens | C94 Ruy Lopez, Closed, Breyer Defense |
| 3. Petrosian vs Portisch |
| ½-½ | 23 | 1965 | EUR-chT (Men) 3rd | C94 Ruy Lopez, Closed, Breyer Defense |
| 4. Gheorghiu vs Portisch |
 | 0-1 | 77 | 1969 | Monte Carlo | C94 Ruy Lopez, Closed, Breyer Defense |
| 5. Westerinen vs Portisch |
 | 0-1 | 50 | 1969 | Raach Zonal | C94 Ruy Lopez, Closed, Breyer Defense |
| 6. Browne vs Portisch |
| 0-1 | 88 | 1972 | Hoogovens | C94 Ruy Lopez, Closed, Breyer Defense |
| 7. Smejkal vs Portisch |
| ½-½ | 18 | 1972 | Hoogovens | C94 Ruy Lopez, Closed, Breyer Defense |
Kibitzing
