| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F Lindgren vs J Jirka |
 | 0-1 | 38 |
2001 |
Valoz Cup | C61 Ruy Lopez, Bird's Defense |
| 2. P Simacek vs J Jirka |
| 1-0 | 38 |
2001 |
Valoz Cup | C61 Ruy Lopez, Bird's Defense |
| 3. A Timofeev vs J Jirka |
 | 1-0 | 41 |
2002 |
41st World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 4. Wang Hao vs J Jirka |
| ½-½ | 64 |
2003 |
World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 5. D Mastrovasilis vs J Jirka |
| 1-0 | 33 |
2003 |
World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 6. M Yilmaz vs J Jirka |
 | 0-1 | 37 |
2003 |
World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 7. D Jatautis vs J Jirka |
 | 0-1 | 59 |
2003 |
World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 8. G Rohit vs J Jirka |
 | 1-0 | 34 |
2003 |
World Junior Championships | C61 Ruy Lopez, Bird's Defense |
| 9. N Djukic vs J Jirka |
| 1-0 | 30 |
2005 |
Sozina | C61 Ruy Lopez, Bird's Defense |
| 10. J Bolacky vs J Jirka |
 | 0-1 | 28 |
2005 |
Extraliga Plzen-Poruba | C61 Ruy Lopez, Bird's Defense |
| 11. Plachetka vs J Jirka |
| 0-1 | 29 |
2005 |
Cartak Friendship GM | C61 Ruy Lopez, Bird's Defense |
| 12. R Kalod vs J Jirka |
 | 0-1 | 44 |
2006 |
Brno Chess Festival | C61 Ruy Lopez, Bird's Defense |
| 13. L Guliev vs J Jirka |
| 1-0 | 29 |
2007 |
European Individual Championships | C61 Ruy Lopez, Bird's Defense |
| 14. Blatny vs J Jirka |
 | 1-0 | 56 |
2007 |
Czech Championship | C61 Ruy Lopez, Bird's Defense |
| 15. H Langrock vs J Jirka |
| ½-½ | 37 |
2008 |
Jirasek mem | C61 Ruy Lopez, Bird's Defense |
| 16. J Sodoma vs J Jirka |
| ½-½ | 37 |
2008 |
Jirasek mem | C61 Ruy Lopez, Bird's Defense |
| 17. M Lokander vs J Jirka |
| 1-0 | 39 |
2012 |
23rd Czech Open A | C61 Ruy Lopez, Bird's Defense |
| 18. C Sreeves vs J Jirka |
| 0-1 | 40 |
2012 |
23rd Czech Open A | C61 Ruy Lopez, Bird's Defense |