| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Kovalenko vs V Malakhatko |
| ½-½ | 72 | 2015 | 4th Al Ain Chess Classic | A11 English, Caro-Kann Defensive System |
| 2. Kovalenko vs Motylev |
| 1-0 | 40 | 2016 | Paul Keres Memorial | A11 English, Caro-Kann Defensive System |
| 3. Kovalenko vs Dautov |
| ½-½ | 36 | 2016 | 2nd Bundesliga Sud -17 | A11 English, Caro-Kann Defensive System |
| 4. Kovalenko vs T Valgmae |
| 1-0 | 41 | 2016 | 17th Puhajarve Rapid | A11 English, Caro-Kann Defensive System |
| 5. Kovalenko vs M Orndahl |
| 1-0 | 32 | 2016 | European Blitz Championship | A11 English, Caro-Kann Defensive System |
| 6. Kovalenko vs A Muzychuk |
| 1-0 | 72 | 2017 | Gibraltar Masters | A11 English, Caro-Kann Defensive System |
| 7. Kovalenko vs M Nubairshah Shaikh |
| 1-0 | 41 | 2017 | PRO League Group Stage | A11 English, Caro-Kann Defensive System |
| 8. Kovalenko vs M Krzyzanowski |
| 1-0 | 40 | 2017 | Zalakaros Open | A11 English, Caro-Kann Defensive System |
| 9. Kovalenko vs D Mastrovasilis |
| ½-½ | 60 | 2017 | European Championship | A11 English, Caro-Kann Defensive System |
| 10. Kovalenko vs T Laurusas |
| ½-½ | 52 | 2018 | Baltic zt II Stage | A11 English, Caro-Kann Defensive System |
| 11. Kovalenko vs E Shvidler |
| ½-½ | 70 | 2019 | Israeli Team Championship | A11 English, Caro-Kann Defensive System |
Kibitzing
