| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J Gonzales vs S Kojima |
| 1-0 | 47 | 2005 | HB Global Chess Challenge | E92 King's Indian |
| 2. S Kojima vs M Bluvshtein |
 | 0-1 | 32 | 2006 | Turin Olympiad | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 3. N van der Nat vs S Kojima |
| ½-½ | 66 | 2006 | Turin Olympiad | B23 Sicilian, Closed |
| 4. S Kojima vs W Jacobusse |
| 1-0 | 52 | 2006 | Turin Olympiad | B12 Caro-Kann Defense |
| 5. S Kojima vs P Meier |
| ½-½ | 29 | 2006 | Turin Olympiad | B27 Sicilian |
| 6. A Kassis vs S Kojima |
| 1-0 | 55 | 2006 | Turin Olympiad | B25 Sicilian, Closed |
| 7. S Kojima vs M Mannhart |
| 0-1 | 53 | 2006 | Turin Olympiad | B06 Robatsch |
| 8. S Kojima vs W Teerapabpaisit |
| 1-0 | 49 | 2006 | Turin Olympiad | B42 Sicilian, Kan |
| 9. S Kojima vs M Saud |
| ½-½ | 34 | 2006 | Turin Olympiad | B01 Scandinavian |
| 10. Fuad Ahmed Mohamme Mufleh vs S Kojima |
| 0-1 | 39 | 2006 | Turin Olympiad | A07 King's Indian Attack |
| 11. Y Ranola vs S Kojima |
| 0-1 | 52 | 2006 | Kuala Lumpur op 3rd | E08 Catalan, Closed |
| 12. R Bitoon vs S Kojima |
| 1-0 | 25 | 2006 | Kuala Lumpur op 3rd | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 13. I K Sukandar vs S Kojima |
| 1-0 | 45 | 2006 | Kuala Lumpur op 3rd | B72 Sicilian, Dragon |
| 14. S Kojima vs Barsov |
| 0-1 | 45 | 2006 | Asia Classical 15th | C18 French, Winawer |
| 15. S Kojima vs J Bakr |
| 0-1 | 32 | 2006 | Asia Classical 15th | B30 Sicilian |
| 16. T Mak vs S Kojima |
| 0-1 | 29 | 2006 | Asia Classical 15th | A13 English |
| 17. S Kojima vs L Surbir |
| 1-0 | 28 | 2006 | Asia Classical 15th | C45 Scotch Game |
| 18. T Shobaita vs S Kojima |
| ½-½ | 72 | 2006 | Asia Classical 15th | D43 Queen's Gambit Declined Semi-Slav |
| 19. S Kojima vs H Abdullah |
| 1-0 | 35 | 2006 | Asia Classical 15th | C11 French |
| 20. C A Galappaththi vs S Kojima |
| ½-½ | 16 | 2006 | Asia Classical 15th | D45 Queen's Gambit Declined Semi-Slav |
| 21. S Kojima vs Adianto |
| 0-1 | 53 | 2007 | Round 1, Table 2 | B07 Pirc |
| 22. S Siyuan vs S Kojima |
| 1-0 | 20 | 2007 | Round 4, Table 18 | A46 Queen's Pawn Game |
| 23. S Kojima vs E Ghaem Maghami |
| ½-½ | 25 | 2007 | 2nd MAIG-Team Standard chess | B92 Sicilian, Najdorf, Opocensky Variation |
| 24. M K Wong vs S Kojima |
| 0-1 | 39 | 2007 | 2nd MAIG-Team Standard chess | A46 Queen's Pawn Game |
| 25. S Kojima vs M Lodhi |
| 0-1 | 53 | 2007 | 2nd MAIG-Team Standard chess | C86 Ruy Lopez, Worrall Attack |
Kibitzing
