| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Lahno vs I Uhvarin |
| 1-0 | 33 |
2000 |
Ukrainian Team ch | C11 French |
| 27. Lahno vs V Kalinin |
| ½-½ | 50 |
2000 |
UKR-ch (Women) | C41 Philidor Defense |
| 28. K Dolzhikova vs Lahno |
| ½-½ | 21 |
2000 |
UKR-ch U12 Girls | A13 English |
| 29. D Ni vs Lahno |
| ½-½ | 73 |
2000 |
Artek ol U16 | A04 Reti Opening |
| 30. I Merkulova vs Lahno |
| 0-1 | 49 |
2000 |
UKR-ch U12W | C42 Petrov Defense |
| 31. A Pourkashiyan vs Lahno |
| 1-0 | 43 |
2000 |
Wch U12 Girls | C42 Petrov Defense |
| 32. A Golovanj vs Lahno |
| 1-0 | 56 |
2000 |
Ukrainian Team ch | A80 Dutch |
| 33. S Ivanova vs Lahno |
| 0-1 | 42 |
2000 |
UKR-ch (Women) | C42 Petrov Defense |
| 34. Lahno vs E Skilkova |
| 1-0 | 23 |
2000 |
UKR-ch U12 Girls | B13 Caro-Kann, Exchange |
| 35. Lahno vs E Partac |
| ½-½ | 53 |
2000 |
Artek ol U16 | B40 Sicilian |
| 36. M Choisy vs Lahno |
| ½-½ | 45 |
2000 |
Wch U12 Girls | C42 Petrov Defense |
| 37. Lahno vs V Gurevich |
| 0-1 | 27 |
2000 |
Ukrainian Team ch | B92 Sicilian, Najdorf, Opocensky Variation |
| 38. Lahno vs Olena Zavgorodnya |
| 1-0 | 74 |
2000 |
UKR-ch (Women) | B74 Sicilian, Dragon, Classical |
| 39. R Wojtaszek vs Lahno |
| 1-0 | 51 |
2000 |
Artek ol U16 | A84 Dutch |
| 40. Lahno vs S Shepeleva |
| 1-0 | 48 |
2000 |
UKR-ch U12W | C42 Petrov Defense |
| 41. Lahno vs L Ross |
| ½-½ | 37 |
2000 |
Wch U12 Girls | B74 Sicilian, Dragon, Classical |
| 42. I Artiomenko vs Lahno |
| 0-1 | 48 |
2000 |
Ukrainian Team ch | A09 Reti Opening |
| 43. L Semenova vs Lahno |
| ½-½ | 51 |
2000 |
UKR-ch (Women) | A80 Dutch |
| 44. Lahno vs A Pastukh |
| 1-0 | 30 |
2000 |
UKR-ch U12 Girls | B74 Sicilian, Dragon, Classical |
| 45. K Kuderinov vs Lahno |
| 1-0 | 50 |
2000 |
Artek ol U16 | C42 Petrov Defense |
| 46. Lahno vs Y Hamrakulova |
| 1-0 | 45 |
2000 |
Wch U12 Girls | B74 Sicilian, Dragon, Classical |
| 47. Lahno vs K Jastreb |
| 0-1 | 53 |
2000 |
Ukrainian Team ch | B83 Sicilian |
| 48. Lahno vs O Bodyagina |
| 0-1 | 33 |
2000 |
UKR-ch (Women) | C24 Bishop's Opening |
| 49. Vita Chulivska vs Lahno |
| 0-1 | 50 |
2000 |
UKR-ch U12W | C42 Petrov Defense |
| 50. Lahno vs H Mousavian |
| 0-1 | 40 |
2000 |
Artek ol U16 | C01 French, Exchange |