| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Strautins vs K Sakai |
| ½-½ | 32 |
2001 |
ICCF Email - corr | B45 Sicilian, Taimanov |
| 2. B Shapiro vs K Sakai |
| ½-½ | 29 |
2002 |
ICCF Email - corr | B33 Sicilian |
| 3. K Sakai vs Mikhailuk |
| ½-½ | 70 |
2002 |
North American op | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 4. K Sakai vs Helmut Glaser |
| ½-½ | 36 |
2002 |
ICCF Email - corr | B19 Caro-Kann, Classical |
| 5. M Szalai vs K Sakai |
| ½-½ | 33 |
2003 |
CM..0.00208 | E94 King's Indian, Orthodox |
| 6. J Monacell vs K Sakai |
| ½-½ | 13 |
2003 |
CM..0.00225 | D20 Queen's Gambit Accepted |
| 7. Jaroslav Fiala vs K Sakai |
| ½-½ | 18 |
2003 |
WC..F.00002 | D26 Queen's Gambit Accepted |
| 8. K Sakai vs F Wiltenburg |
| ½-½ | 40 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |
| 9. L Birzer vs K Sakai |
| ½-½ | 30 |
2003 |
CP.2002.Q.00022 | B22 Sicilian, Alapin |
| 10. K Sakai vs J Simmelink |
| ½-½ | 28 |
2003 |
WC..F.00002 | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 11. Sergio Diaz vs K Sakai |
| ½-½ | 52 |
2003 |
CM..0.00208 | D00 Queen's Pawn Game |
| 12. D Grafen vs K Sakai |
| ½-½ | 52 |
2003 |
CM..0.00225 | B33 Sicilian |
| 13. Flo Epiney vs K Sakai |
| ½-½ | 24 |
2003 |
WC..F.00002 | D24 Queen's Gambit Accepted |
| 14. K Sakai vs J Fuernkranz |
| ½-½ | 42 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |
| 15. K Sakai vs R Van Nieuwenhuizen |
| ½-½ | 23 |
2003 |
CP.2001.S.00002 | C63 Ruy Lopez, Schliemann Defense |
| 16. K Sakai vs I Schrancz |
| ½-½ | 57 |
2003 |
WC..F.00002 | C92 Ruy Lopez, Closed |
| 17. Josip Salai vs K Sakai |
| ½-½ | 36 |
2003 |
WC.2005.S.00011 | D27 Queen's Gambit Accepted, Classical |
| 18. K Sakai vs Maciej Tritt |
| ½-½ | 34 |
2003 |
CM..0.00233 | B30 Sicilian |
| 19. K Sakai vs Flo Epiney |
| ½-½ | 29 |
2003 |
SH..0.00002 | C80 Ruy Lopez, Open |
| 20. J Fazilleau vs K Sakai |
| ½-½ | 67 |
2003 |
CP.2001.S.00002 | B90 Sicilian, Najdorf |
| 21. K Sakai vs R Pijl |
 | ½-½ | 25 |
2003 |
WC..F.00002 | B40 Sicilian |
| 22. K Sakai vs G Drogi |
| ½-½ | 57 |
2003 |
WC.2005.S.00011 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. K Sakai vs H Pahlen |
| ½-½ | 24 |
2003 |
CM..0.00233 | B30 Sicilian |
| 24. A Tucci vs K Sakai |
| ½-½ | 24 |
2003 |
WC..F.00002 | C50 Giuoco Piano |
| 25. S Valentine vs K Sakai |
| ½-½ | 79 |
2003 |
CM..0.00208 | E92 King's Indian |