Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. Sosonko vs Csom |
 | 1-0 | 27 | 1976 | Biel Interzonal | E06 Catalan, Closed, 5.Nf3 |
2. Sosonko vs K Rogoff |
| ½-½ | 29 | 1976 | Biel Interzonal | E06 Catalan, Closed, 5.Nf3 |
3. Sosonko vs Furman |
| ½-½ | 14 | 1977 | Bad Lauterberg | E06 Catalan, Closed, 5.Nf3 |
4. Sosonko vs R Byrne |
| ½-½ | 19 | 1977 | Geneva | E06 Catalan, Closed, 5.Nf3 |
5. Sosonko vs Najdorf |
| ½-½ | 30 | 1978 | Hoogovens | E06 Catalan, Closed, 5.Nf3 |
6. Sosonko vs Huebner |
| ½-½ | 41 | 1978 | Nijmegen Rapid | E06 Catalan, Closed, 5.Nf3 |
7. Sosonko vs Van der Sterren |
| 1-0 | 25 | 1978 | Dutch Championship | E06 Catalan, Closed, 5.Nf3 |
8. Sosonko vs Najdorf |
| 1-0 | 33 | 1978 | Sao Paulo | E06 Catalan, Closed, 5.Nf3 |
9. Sosonko vs E Keogh |
| 1-0 | 30 | 1978 | Amsterdam Zonal | E06 Catalan, Closed, 5.Nf3 |
10. Sosonko vs G Morrison |
| 1-0 | 36 | 1978 | Amsterdam Zonal | E06 Catalan, Closed, 5.Nf3 |
11. Sosonko vs Polugaevsky |
| ½-½ | 21 | 1979 | Hoogovens | E06 Catalan, Closed, 5.Nf3 |
12. Sosonko vs Karpov |
  | 0-1 | 43 | 1979 | Waddinxveen | E06 Catalan, Closed, 5.Nf3 |
13. Sosonko vs M Stean |
| ½-½ | 20 | 1979 | Amsterdam IBM | E06 Catalan, Closed, 5.Nf3 |
14. Sosonko vs Kupreichik |
| ½-½ | 21 | 1980 | Reykjavik | E06 Catalan, Closed, 5.Nf3 |
15. Sosonko vs Karpov |
| ½-½ | 12 | 1980 | Amsterdam IBM | E06 Catalan, Closed, 5.Nf3 |
16. Sosonko vs Karpov |
 | ½-½ | 17 | 1980 | Tilburg Interpolis | E06 Catalan, Closed, 5.Nf3 |
17. Sosonko vs L Christiansen |
 | 1-0 | 91 | 1982 | Hoogovens | E06 Catalan, Closed, 5.Nf3 |
18. Sosonko vs Karpov |
| ½-½ | 16 | 1982 | Tilburg Interpolis | E06 Catalan, Closed, 5.Nf3 |
19. Sosonko vs Gligoric |
| ½-½ | 22 | 1982 | Lucerne Olympiad | E06 Catalan, Closed, 5.Nf3 |
20. Sosonko vs H Pfleger |
| ½-½ | 17 | 1983 | Bundesliga 8283 | E06 Catalan, Closed, 5.Nf3 |
21. Sosonko vs I Radulov |
 | 1-0 | 36 | 1983 | EUR-chT (Men) 8th | E06 Catalan, Closed, 5.Nf3 |
22. Sosonko vs Karpov |
| ½-½ | 18 | 1983 | FRG-ch International | E06 Catalan, Closed, 5.Nf3 |
23. Sosonko vs J Qi |
| ½-½ | 57 | 1983 | FRG-ch International | E06 Catalan, Closed, 5.Nf3 |
24. Sosonko vs D Chen |
| 1-0 | 69 | 1983 | FRG-ch International | E06 Catalan, Closed, 5.Nf3 |
25. Sosonko vs Karpov |
| ½-½ | 26 | 1983 | Tilburg Interpolis | E06 Catalan, Closed, 5.Nf3 |