| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. R Fontaine vs J Jirka |
| ½-½ | 53 | 2000 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 2. O Wegener vs J Jirka |
| 0-1 | 24 | 2000 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 3. G Kafka vs J Jirka |
| ½-½ | 62 | 2001 | European Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 4. F Lindgren vs J Jirka |
 | 0-1 | 38 | 2001 | Valoz Cup | C61 Ruy Lopez, Bird's Defense |
| 5. P Simacek vs J Jirka |
| 1-0 | 38 | 2001 | Valoz Cup | C61 Ruy Lopez, Bird's Defense |
| 6. A Timofeev vs J Jirka |
| 1-0 | 41 | 2002 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 7. M Yilmaz vs J Jirka |
 | 0-1 | 37 | 2003 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 8. H Wang vs J Jirka |
| ½-½ | 64 | 2003 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 9. D Jatautis vs J Jirka |
| 0-1 | 59 | 2003 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 10. D Mastrovasilis vs J Jirka |
| 1-0 | 33 | 2003 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 11. G Rohit vs J Jirka |
| 1-0 | 34 | 2003 | World Junior Championship | C61 Ruy Lopez, Bird's Defense |
| 12. V Draganic vs J Jirka |
| 0-1 | 37 | 2004 | Montenegro Open | C61 Ruy Lopez, Bird's Defense |
| 13. N Djukic vs J Jirka |
| 1-0 | 30 | 2005 | Sozina | C61 Ruy Lopez, Bird's Defense |
| 14. J Bolacky vs J Jirka |
| 0-1 | 28 | 2005 | CZE-chT 0405 | C61 Ruy Lopez, Bird's Defense |
| 15. Plachetka vs J Jirka |
| 0-1 | 29 | 2005 | Cartak Friendship GM | C61 Ruy Lopez, Bird's Defense |
| 16. S Reutsky vs J Jirka |
| ½-½ | 43 | 2005 | Czech Open-A | C61 Ruy Lopez, Bird's Defense |
| 17. S Zhigalko vs J Jirka |
| 1-0 | 56 | 2005 | Czech Open-A | C61 Ruy Lopez, Bird's Defense |
| 18. L Voloshin vs J Jirka |
| 0-1 | 44 | 2005 | Olomouc Proclient Cup | C61 Ruy Lopez, Bird's Defense |
| 19. R Kalod vs J Jirka |
| 0-1 | 44 | 2006 | Brno Chess Festival | C61 Ruy Lopez, Bird's Defense |
| 20. M Womacka vs J Jirka |
| 1-0 | 60 | 2006 | Olomouc Valoz Cup | C61 Ruy Lopez, Bird's Defense |
| 21. Blatny vs J Jirka |
| 1-0 | 56 | 2007 | Czech Championship | C61 Ruy Lopez, Bird's Defense |
| 22. L Guliev vs J Jirka |
| 1-0 | 29 | 2007 | European Championship | C61 Ruy Lopez, Bird's Defense |
| 23. D Schneider vs J Jirka |
| 0-1 | 33 | 2007 | Czech Open-A | C61 Ruy Lopez, Bird's Defense |
| 24. J Sodoma vs J Jirka |
| ½-½ | 37 | 2008 | Jirasek Memorial | C61 Ruy Lopez, Bird's Defense |
| 25. H Langrock vs J Jirka |
| ½-½ | 37 | 2008 | Jirasek Memorial | C61 Ruy Lopez, Bird's Defense |
Kibitzing
