| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Szabo vs Portisch |
 | 1-0 | 36 | 1960 | Budapest | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 2. Eliskases vs Portisch |
 | 1-0 | 27 | 1961 | 1st Costa del Sol | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 3. Najdorf vs Portisch |
| 1-0 | 22 | 1962 | Varna Olympiad Final-A | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 4. G Kluger vs Portisch |
| ½-½ | 17 | 1963 | HUN-ch 18th | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 5. B Malich vs Portisch |
| ½-½ | 28 | 1963 | Halle Zonal | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 6. P Trifunovic vs Portisch |
| ½-½ | 21 | 1963 | Halle Zonal | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 7. Uhlmann vs Portisch |
| ½-½ | 21 | 1969 | Raach Zonal | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 8. Polugaevsky vs Portisch |
| ½-½ | 41 | 1969 | HUN-URS | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 9. Petrosian vs Portisch |
| ½-½ | 41 | 1972 | Skopje Olympiad Final-A | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 10. Ehlvest vs Portisch |
| ½-½ | 29 | 1996 | Yerevan Olympiad | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 11. Huebner vs Portisch |
| 1-0 | 23 | 1998 | Chess Classics Masters | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 12. Smyslov vs Portisch |
| ½-½ | 16 | 1999 | Petrosian Memorial | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 13. Zhu Chen vs Portisch |
| ½-½ | 34 | 2001 | Klompendans | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 14. A Dreev vs Portisch |
| 1-0 | 50 | 2009 | Zurich Chess Club 200th Anniversary | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 15. Uhlmann vs Portisch |
| 0-1 | 32 | 2011 | Botvinnik Memorial (Seniors) | D41 Queen's Gambit Declined, Semi-Tarrasch |
Kibitzing
