| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Bortnyk vs Y Hou |
| ½-½ | 47 | 2004 | Wch U10 | B22 Sicilian, Alapin |
| 2. I Nyzhnyk vs M Bortnyk |
| ½-½ | 88 | 2007 | UKR-ch U14 | A80 Dutch |
| 3. M Bortnyk vs D Hiti |
| 1-0 | 57 | 2012 | World Youth Championship | C02 French, Advance |
| 4. A Bernotas vs M Bortnyk |
| 0-1 | 36 | 2012 | World Youth Championship | B40 Sicilian |
| 5. M Bortnyk vs B Bok |
| 0-1 | 27 | 2012 | World Youth Championship | C46 Three Knights |
| 6. U Nasanjargal vs M Bortnyk |
| ½-½ | 65 | 2012 | World Youth Championship | B02 Alekhine's Defense |
| 7. M Bortnyk vs P Lindgren |
| 1-0 | 68 | 2012 | World Youth Championship | D47 Queen's Gambit Declined Semi-Slav |
| 8. D Kadric vs M Bortnyk |
| ½-½ | 23 | 2012 | World Youth Championship | C44 King's Pawn Game |
| 9. M Bortnyk vs V Kovalev |
| ½-½ | 48 | 2012 | World Youth Championship | C47 Four Knights |
| 10. C Liu vs M Bortnyk |
| 1-0 | 81 | 2012 | World Youth Championship | B02 Alekhine's Defense |
| 11. M Bortnyk vs A Huseyinoglu |
| 1-0 | 41 | 2012 | World Youth Championship | B06 Robatsch |
| 12. L Johansson vs M Bortnyk |
| 0-1 | 37 | 2012 | World Youth Championship | A08 King's Indian Attack |
| 13. M Bortnyk vs D Anton Guijarro |
| 0-1 | 42 | 2012 | World Youth Championship | B06 Robatsch |
| 14. M Bortnyk vs R Thompson |
 | 1-0 | 41 | 2013 | World Junior Championship | B06 Robatsch |
| 15. M Yargici vs M Bortnyk |
| 0-1 | 67 | 2013 | World Junior Championship | E37 Nimzo-Indian, Classical |
| 16. M Bortnyk vs T K Antal |
| 1-0 | 45 | 2013 | World Junior Championship | B22 Sicilian, Alapin |
| 17. A R Saleh Salem vs M Bortnyk |
| 1-0 | 49 | 2013 | World Junior Championship | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 18. M Bortnyk vs Yan Fang |
| 1-0 | 37 | 2013 | World Junior Championship | A53 Old Indian |
| 19. Wei Yi vs M Bortnyk |
| ½-½ | 33 | 2013 | World Junior Championship | B04 Alekhine's Defense, Modern |
| 20. M Bortnyk vs Indjic |
| 0-1 | 32 | 2013 | World Junior Championship | C41 Philidor Defense |
| 21. V Lozhnikov vs M Bortnyk |
| ½-½ | 41 | 2013 | World Junior Championship | E40 Nimzo-Indian, 4.e3 |
| 22. M Ali vs M Bortnyk |
| 1-0 | 57 | 2013 | World Junior Championship | B03 Alekhine's Defense |
| 23. M Bortnyk vs M Nuri |
| 1-0 | 32 | 2013 | World Junior Championship | C01 French, Exchange |
| 24. S Narayanan vs M Bortnyk |
| 1-0 | 58 | 2013 | World Junior Championship | B12 Caro-Kann Defense |
| 25. M Bortnyk vs A Tomazini |
| ½-½ | 42 | 2013 | World Junior Championship | C47 Four Knights |
Kibitzing
