| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Shchekachev vs J Ulko |
 | 0-1 | 30 |
1999 |
Ch Moscow, Moscow (Russia) | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 2. E Najer vs J Ulko |
| ½-½ | 22 |
2000 |
Chigorin Memorial | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 3. A Kekov vs J Ulko |
| 0-1 | 42 |
2001 |
5th Open | B44 Sicilian |
| 4. A Kim vs J Ulko |
| 0-1 | 84 |
2002 |
Aeroflot Open | B30 Sicilian |
| 5. A Kogan vs J Ulko |
| 1-0 | 38 |
2002 |
Aeroflot Open | B30 Sicilian |
| 6. A Polyaninov vs J Ulko |
| ½-½ | 53 |
2003 |
St Petersburg vs. Moscow | B40 Sicilian |
| 7. V Zakhartsov vs J Ulko |
| 1-0 | 40 |
2005 |
9th Chess Festival Voronezh | B64 Sicilian, Richter-Rauzer Attack |
| 8. D Petrosian vs J Ulko |
| 1-0 | 23 |
2006 |
Open | B81 Sicilian, Scheveningen, Keres Attack |
| 9. E Najer vs J Ulko |
| 1-0 | 44 |
2007 |
Moscow Open | B90 Sicilian, Najdorf |
| 10. I Popov vs J Ulko |
| 0-1 | 26 |
2007 |
Moscow Open | B56 Sicilian |
| 11. K Pasalic vs J Ulko |
| 0-1 | 39 |
2007 |
Moscow Open | B54 Sicilian |
| 12. M Coenen vs J Ulko |
 | 0-1 | 49 |
2008 |
Goch (open) | B90 Sicilian, Najdorf |
| 13. W Harff vs J Ulko |
| 0-1 | 72 |
2008 |
Goch (open) | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 14. F Schluenss vs J Ulko |
| 0-1 | 22 |
2008 |
Goch (open) | B95 Sicilian, Najdorf, 6...e6 |
| 15. V Nowik vs J Ulko |
| ½-½ | 7 |
2008 |
Goch (open) | B25 Sicilian, Closed |
| 16. J Geller vs J Ulko |
| 1-0 | 42 |
2009 |
Russian Team Championship: Higher League | B45 Sicilian, Taimanov |
| 17. A Gabrielian vs J Ulko |
| ½-½ | 30 |
2009 |
Russian Team Championship: Higher League | B94 Sicilian, Najdorf |
| 18. S Arslanov vs J Ulko |
| ½-½ | 42 |
2009 |
Russian Team Championship: Higher League | B22 Sicilian, Alapin |
