| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. S Foisor vs Lahno |
| 0-1 | 33 |
2001 |
Wch U12 Girls | E14 Queen's Indian |
| 2. A Srebrnic vs Lahno |
| 0-1 | 61 |
2001 |
EU-chT U18 Girls | E17 Queen's Indian |
| 3. A Esenov vs Lahno |
| ½-½ | 47 |
2002 |
World ol U16 | E14 Queen's Indian |
| 4. E Chasovnikova vs Lahno |
| 0-1 | 32 |
2002 |
EU-ch blitz (Women) 3rd | E12 Queen's Indian |
| 5. B Khotenashvili vs Lahno |
 | 0-1 | 66 |
2002 |
Int Youth Games U14 Girls | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 6. N Gaprindashvili vs Lahno |
| 1-0 | 64 |
2002 |
EU-ch blitz (Women) 3rd | E17 Queen's Indian |
| 7. Z Topel vs Lahno |
| ½-½ | 46 |
2002 |
EU-ch 3rd (Women) | E17 Queen's Indian |
| 8. L Javakhishvili vs Lahno |
| 0-1 | 29 |
2002 |
EU-ch blitz (Women) 3rd | E14 Queen's Indian |
| 9. Zhaoqin Peng vs Lahno |
| 1-0 | 90 |
2002 |
EU-ch 3rd (Women) | E12 Queen's Indian |
| 10. V Dobrov vs Lahno |
| ½-½ | 53 |
2002 |
Chigorin mem-A 10th | E12 Queen's Indian |
| 11. L Javakhishvili vs Lahno |
| 1-0 | 55 |
2002 |
EUCup (Women) 7th | E14 Queen's Indian |
| 12. Julia Maiko vs Lahno |
| ½-½ | 45 |
2002 |
UKR-ch U20 Girls | E17 Queen's Indian |
| 13. M Manakova vs Lahno |
| 1-0 | 67 |
2002 |
EU-ch blitz (Women) 3rd | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 14. Epishin vs Lahno |
 | 1-0 | 59 |
2003 |
Hastings | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 15. G Kuzmin vs Lahno |
| ½-½ | 20 |
2003 |
Kramatorsk | E17 Queen's Indian |
| 16. A Greenfeld vs Lahno |
| 1-0 | 36 |
2003 |
European Clubs Cup (Men) | E17 Queen's Indian |
| 17. G Matjushin vs Lahno |
| 0-1 | 59 |
2003 |
Donetsk Region-ch | E17 Queen's Indian |
| 18. D Gormally vs Lahno |
| ½-½ | 30 |
2004 |
Hastings | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 19. Bosboom-Lanchava vs Lahno |
| ½-½ | 22 |
2004 |
Wijk aan Zee C Group | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 20. Zhaoqin Peng vs Lahno |
| 1-0 | 100 |
2004 |
Wijk aan Zee C Group | E18 Queen's Indian, Old Main line, 7.Nc3 |