| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Robatsch vs Ulf Andersson |
| 0-1 | 51 |
1972 |
Palma de Mallorca | B82 Sicilian, Scheveningen |
| 2. Balashov vs Ulf Andersson |
 | 1-0 | 23 |
1973 |
Wijk aan Zee (Netherlands) | B85 Sicilian, Scheveningen, Classical |
| 3. Kaplan vs Ulf Andersson |
 | 0-1 | 69 |
1973 |
Madrid | B85 Sicilian, Scheveningen, Classical |
| 4. Hort vs Ulf Andersson |
| ½-½ | 19 |
1973 |
Las Palmas | B81 Sicilian, Scheveningen, Keres Attack |
| 5. Browne vs Ulf Andersson |
| ½-½ | 41 |
1974 |
Las Palmas | B81 Sicilian, Scheveningen, Keres Attack |
| 6. Larsen vs Ulf Andersson |
 | ½-½ | 50 |
1974 |
It, Manila (Philippines) | B84 Sicilian, Scheveningen |
| 7. G Sigurjonsson vs Ulf Andersson |
| ½-½ | 46 |
1974 |
Sant Feliu de Guixol | B83 Sicilian |
| 8. R T Cardoso vs Ulf Andersson |
 | 0-1 | 75 |
1974 |
It, Manila (Philippines) | B81 Sicilian, Scheveningen, Keres Attack |
| 9. Hort vs Ulf Andersson |
| ½-½ | 35 |
1974 |
Nice | B81 Sicilian, Scheveningen, Keres Attack |
| 10. Beliavsky vs Ulf Andersson |
| ½-½ | 115 |
1974 |
Hastings 7475 | B85 Sicilian, Scheveningen, Classical |
| 11. S Garcia Martinez vs Ulf Andersson |
| 0-1 | 35 |
1974 |
Camaguey | B85 Sicilian, Scheveningen, Classical |
| 12. Savon vs Ulf Andersson |
| ½-½ | 32 |
1974 |
Venice | B81 Sicilian, Scheveningen, Keres Attack |
| 13. F Olafsson vs Ulf Andersson |
| ½-½ | 21 |
1974 |
Las Palmas | B83 Sicilian |
| 14. Jansa vs Ulf Andersson |
| ½-½ | 41 |
1975 |
Cienfuegos | B81 Sicilian, Scheveningen, Keres Attack |
| 15. A Planinc vs Ulf Andersson |
| 0-1 | 54 |
1975 |
Rovinj/Zagreb | B81 Sicilian, Scheveningen, Keres Attack |
| 16. Browne vs Ulf Andersson |
 | ½-½ | 41 |
1975 |
Milan | B81 Sicilian, Scheveningen, Keres Attack |
| 17. Balashov vs Ulf Andersson |
| ½-½ | 20 |
1975 |
Cienfuegos | B81 Sicilian, Scheveningen, Keres Attack |
| 18. Tal vs Ulf Andersson |
| ½-½ | 24 |
1975 |
Las Palmas (Spain) | B84 Sicilian, Scheveningen |
| 19. Ljubojevic vs Ulf Andersson |
| ½-½ | 47 |
1975 |
Las Palmas | B80 Sicilian, Scheveningen |
| 20. Tseshkovsky vs Ulf Andersson |
| 1-0 | 73 |
1975 |
Rovinj/Zagreb | B84 Sicilian, Scheveningen |
| 21. A Urzica vs Ulf Andersson |
| 1-0 | 39 |
1975 |
Pula (Croatia) | B84 Sicilian, Scheveningen |
| 22. Vogt vs Ulf Andersson |
| ½-½ | 15 |
1975 |
Cienfuegos | B84 Sicilian, Scheveningen |
| 23. R T Cardoso vs Ulf Andersson |
| 0-1 | 41 |
1975 |
Las Palmas Ruy Lopez mem | B80 Sicilian, Scheveningen |
| 24. J M Bellon Lopez vs Ulf Andersson |
| 1-0 | 25 |
1975 |
Pula (Croatia) | B84 Sicilian, Scheveningen |
| 25. Tal vs Ulf Andersson |
 | ½-½ | 33 |
1976 |
Wijk aan Zee | B82 Sicilian, Scheveningen |