| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Strautins vs K Sakai |
| ½-½ | 32 |
2001 |
ICCF Email - corr | B45 Sicilian, Taimanov |
| 2. K Sakai vs Mikhailuk |
| ½-½ | 70 |
2002 |
North American op | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 3. K Sakai vs Helmut Glaser |
| ½-½ | 36 |
2002 |
ICCF Email - corr | B19 Caro-Kann, Classical |
| 4. B Shapiro vs K Sakai |
| ½-½ | 29 |
2002 |
ICCF Email - corr | B33 Sicilian |
| 5. M Lorenzi vs K Sakai |
| 1-0 | 48 |
2003 |
CP.2001.S.00002 | E97 King's Indian |
| 6. M Szalai vs K Sakai |
| ½-½ | 33 |
2003 |
CM..0.00208 | E94 King's Indian, Orthodox |
| 7. R Sperrer vs K Sakai |
| 0-1 | 35 |
2003 |
CP.2002.Q.00022 | A29 English, Four Knights, Kingside Fianchetto |
| 8. A Shutov vs K Sakai |
 | 0-1 | 19 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |
| 9. Jaroslav Fiala vs K Sakai |
| ½-½ | 18 |
2003 |
WC..F.00002 | D26 Queen's Gambit Accepted |
| 10. J Monacell vs K Sakai |
| ½-½ | 13 |
2003 |
CM..0.00225 | D20 Queen's Gambit Accepted |
| 11. L Stillerud vs K Sakai |
| ½-½ | 37 |
2003 |
WC..F.00002 | C88 Ruy Lopez |
| 12. L Birzer vs K Sakai |
| ½-½ | 30 |
2003 |
CP.2002.Q.00022 | B22 Sicilian, Alapin |
| 13. J Fuernkranz vs K Sakai |
| 0-1 | 32 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |
| 14. M Monasterio vs K Sakai |
| 0-1 | 54 |
2003 |
CM..0.00233 | D27 Queen's Gambit Accepted, Classical |
| 15. K Sakai vs G Brueckel |
| 1-0 | 18 |
2003 |
WC.2005.S.00011 | B07 Pirc |
| 16. K Sakai vs D Matic |
| 1-0 | 51 |
2003 |
WC..F.00002 | B90 Sicilian, Najdorf |
| 17. J Fazilleau vs K Sakai |
| ½-½ | 67 |
2003 |
CP.2001.S.00002 | B90 Sicilian, Najdorf |
| 18. K Sakai vs A Marechal |
| 1-0 | 27 |
2003 |
CM..0.00208 | C12 French, McCutcheon |
| 19. K Sakai vs A Sturdivant |
| 1-0 | 30 |
2003 |
CP.2002.Q.00022 | C13 French |
| 20. K Sakai vs F Wiltenburg |
| ½-½ | 40 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |
| 21. Flo Epiney vs K Sakai |
| ½-½ | 24 |
2003 |
WC..F.00002 | D24 Queen's Gambit Accepted |
| 22. D Grafen vs K Sakai |
| ½-½ | 52 |
2003 |
CM..0.00225 | B33 Sicilian |
| 23. K Sakai vs J Simmelink |
| ½-½ | 28 |
2003 |
WC..F.00002 | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 24. K Sakai vs R Van Nieuwenhuizen |
| ½-½ | 23 |
2003 |
CP.2001.S.00002 | C63 Ruy Lopez, Schliemann Defense |
| 25. R Bordukalo vs K Sakai |
| 0-1 | 25 |
2003 |
TE.2001.S.00701 | C37 King's Gambit Accepted |