| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Lahner vs O Korinek |
| 1-0 | 39 | 2006 | Pardubice Open-A | D17 Queen's Gambit Declined Slav |
| 27. J Lahner vs D Brokken |
| ½-½ | 24 | 2006 | Stare Mesto op | D10 Queen's Gambit Declined Slav |
| 28. J Lahner vs D Holemar |
| ½-½ | 26 | 2007 | Brno REDA | E71 King's Indian, Makagonov System (5.h3) |
| 29. J Bartos vs J Lahner |
| ½-½ | 12 | 2007 | Brno REDA | A46 Queen's Pawn Game |
| 30. J Lahner vs J Sikora-Lerch |
| ½-½ | 27 | 2007 | Brno REDA | A70 Benoni, Classical with 7.Nf3 |
| 31. M Zavadil vs J Lahner |
| 0-1 | 30 | 2007 | Brno REDA | E43 Nimzo-Indian, Fischer Variation |
| 32. J Lahner vs A Kashlinskaya |
| 1-0 | 59 | 2007 | Brno REDA | E71 King's Indian, Makagonov System (5.h3) |
| 33. A Kireev vs J Lahner |
| ½-½ | 13 | 2007 | Brno REDA | A07 King's Indian Attack |
| 34. J Lahner vs C Ponizil |
| 1-0 | 74 | 2007 | Brno REDA | E84 King's Indian, Samisch, Panno Main line |
| 35. K Amerika vs J Lahner |
| 0-1 | 42 | 2007 | Brno REDA | B80 Sicilian, Scheveningen |
| 36. J Lahner vs P Cech |
| 0-1 | 50 | 2007 | Brno REDA | E69 King's Indian, Fianchetto, Classical Main line |
| 37. E Hagesaether vs J Lahner |
| ½-½ | 20 | 2007 | Brno REDA | C84 Ruy Lopez, Closed |
| 38. J Lahner vs B Kovacevic |
| 0-1 | 50 | 2007 | Czech Open-A | A41 Queen's Pawn Game (with ...d6) |
| 39. D Boros vs J Lahner |
| 1-0 | 31 | 2007 | Czech Open-A | C55 Two Knights Defense |
Kibitzing
