| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Larsen vs Ulf Andersson |
 | 1-0 | 48 |
1970 |
Siegen (Germany) | C09 French, Tarrasch, Open Variation, Main line |
| 2. Romanishin vs Ulf Andersson |
| ½-½ | 39 |
1971 |
Goteborg (Sweden) | C16 French, Winawer |
| 3. Ljubojevic vs Ulf Andersson |
| ½-½ | 28 |
1971 |
Palma de Mallorca | C15 French, Winawer |
| 4. G Capelan vs Ulf Andersson |
| 0-1 | 47 |
1971 |
FRG-ch int | C08 French, Tarrasch, Open, 4.ed ed |
| 5. Mecking vs Ulf Andersson |
| ½-½ | 33 |
1971 |
Hastings (England) | C16 French, Winawer |
| 6. H Westerinen vs Ulf Andersson |
| ½-½ | 61 |
1971 |
FRG-ch int | C07 French, Tarrasch |
| 7. Hartston vs Ulf Andersson |
| ½-½ | 29 |
1971 |
Hastings (England) | C16 French, Winawer |
| 8. R Byrne vs Ulf Andersson |
| 1-0 | 42 |
1971 |
Hastings (England) | C16 French, Winawer |
| 9. J B Bednarski vs Ulf Andersson |
 | 1-0 | 56 |
1972 |
Lund (Sweden) | C16 French, Winawer |
| 10. A M Lacourrelle vs Ulf Andersson |
| ½-½ | 64 |
1972 |
Las Palmas | C02 French, Advance |
| 11. J P Dominguez Sanz vs Ulf Andersson |
| 0-1 | 59 |
1972 |
Las Palmas | C15 French, Winawer |
| 12. S Tatai vs Ulf Andersson |
| ½-½ | 38 |
1972 |
Las Palmas | C10 French |
| 13. M Stean vs Ulf Andersson |
| ½-½ | 23 |
1972 |
Hastings | C16 French, Winawer |
| 14. Ljubojevic vs Ulf Andersson |
| 1-0 | 29 |
1972 |
Teesside | C16 French, Winawer |
| 15. I Saren vs Ulf Andersson |
| 0-1 | 45 |
1972 |
Helsinki | C03 French, Tarrasch |
| 16. M Stean vs Ulf Andersson |
| ½-½ | 23 |
1972 |
Hastings | C16 French, Winawer |
| 17. Hort vs Ulf Andersson |
| 1-0 | 38 |
1972 |
Reykjavik | C02 French, Advance |
| 18. Hartston vs Ulf Andersson |
| ½-½ | 29 |
1972 |
Hastings | C16 French, Winawer |
| 19. Ljubojevic vs Ulf Andersson |
| 1-0 | 74 |
1973 |
Hilversum AVRO | C16 French, Winawer |
| 20. R Calvo vs Ulf Andersson |
| ½-½ | 24 |
1973 |
Las Palmas | C02 French, Advance |
| 21. Spassky vs Ulf Andersson |
| ½-½ | 26 |
1973 |
Dortmund | C16 French, Winawer |
| 22. Ljubojevic vs Ulf Andersson |
| ½-½ | 38 |
1973 |
Las Palmas | C15 French, Winawer |
| 23. V Ciocaltea vs Ulf Andersson |
| ½-½ | 17 |
1973 |
Dortmund | C16 French, Winawer |
| 24. C Zuidema vs Ulf Andersson |
| 0-1 | 44 |
1973 |
Wijk aan Zee (Netherlands) | C16 French, Winawer |
| 25. K Darga vs Ulf Andersson |
| 0-1 | 54 |
1973 |
Las Palmas | C07 French, Tarrasch |