| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Brodsky vs Efimenko |
| ½-½ | 23 |
2001 |
ch-UKR | B92 Sicilian, Najdorf, Opocensky Variation |
| 2. L Cernousek vs Efimenko |
| 0-1 | 42 |
2001 |
TCh-Europe Boys U18 | B92 Sicilian, Najdorf, Opocensky Variation |
| 3. V Rogovski vs Efimenko |
| 0-1 | 39 |
2004 |
73rd Ukrainian Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 4. Nisipeanu vs Efimenko |
| ½-½ | 36 |
2005 |
Aeroflot Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 5. Areshchenko vs Efimenko |
 | 1-0 | 44 |
2005 |
Ukrainian Championships | B92 Sicilian, Najdorf, Opocensky Variation |
| 6. Hracek vs Efimenko |
| ½-½ | 46 |
2009 |
17th European Team Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. Short vs Efimenko |
 | ½-½ | 59 |
2009 |
Corus (Group B) | B92 Sicilian, Najdorf, Opocensky Variation |
| 8. Short vs Efimenko |
 | ½-½ | 51 |
2009 |
Short-Efimenko Match | B92 Sicilian, Najdorf, Opocensky Variation |
| 9. Adams vs Efimenko |
| ½-½ | 69 |
2009 |
2008-2009 Bundesliga | B92 Sicilian, Najdorf, Opocensky Variation |