| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. N Sulava vs M Orndahl |
| 1-0 | 26 | 2004 | Nice op 11th | A31 English, Symmetrical, Benoni Formation |
| 2. M Orndahl vs M Mrdja |
| 1-0 | 36 | 2004 | Nice op 11th | E91 King's Indian |
| 3. Y Ranola vs M Orndahl |
| 1-0 | 35 | 2004 | Nice op 11th | A00 Uncommon Opening |
| 4. M Orndahl vs Rozentalis |
 | 0-1 | 29 | 2006 | Rilton Cup | C10 French |
| 5. J Hamark vs M Orndahl |
| 1-0 | 29 | 2007 | Rilton Cup | D00 Queen's Pawn Game |
| 6. C Jepson vs M Orndahl |
| ½-½ | 27 | 2007 | Politiken Cup | D11 Queen's Gambit Declined Slav |
| 7. M Orndahl vs M Rolvag |
| 1-0 | 40 | 2007 | Politiken Cup | B32 Sicilian |
| 8. K Larsen vs M Orndahl |
| 1-0 | 36 | 2007 | Politiken Cup | A07 King's Indian Attack |
| 9. N Laursen vs M Orndahl |
| 1-0 | 53 | 2007 | Politiken Cup | B75 Sicilian, Dragon, Yugoslav Attack |
| 10. M Orndahl vs C Li |
| 0-1 | 31 | 2007 | Scandinavian Chess Tournament | D93 Grunfeld, with Bf4 & e3 |
| 11. A Kockum vs M Orndahl |
| 1-0 | 39 | 2007 | Scandinavian Chess Tournament | E94 King's Indian, Orthodox |
| 12. M Orndahl vs L Olsson |
| 1-0 | 40 | 2007 | Scandinavian Chess Tournament | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 13. M Orndahl vs J Hamark |
| 0-1 | 46 | 2007 | Scandinavian Chess Tournament | A04 Reti Opening |
| 14. X Zhao vs M Orndahl |
| 1-0 | 49 | 2007 | Scandinavian Chess Tournament | D15 Queen's Gambit Declined Slav |
| 15. V Lilov vs M Orndahl |
| 1-0 | 30 | 2011 | Albena op 19th | C10 French |
| 16. R Akesson vs M Orndahl |
| 1-0 | 52 | 2013 | Rilton Cup 2013/14 | A58 Benko Gambit |
| 17. M Orndahl vs O Von Bahr |
| ½-½ | 31 | 2013 | Rilton Cup 2013/14 | C22 Center Game |
| 18. T Luukkonen vs M Orndahl |
| 1-0 | 39 | 2013 | Rilton Cup 2013/14 | A58 Benko Gambit |
| 19. M Orndahl vs C Marzano |
| 1-0 | 36 | 2013 | Rilton Cup 2013/14 | C46 Three Knights |
| 20. P Sjodahl vs M Orndahl |
| 1-0 | 40 | 2014 | Rilton Cup 2013/14 | D15 Queen's Gambit Declined Slav |
| 21. M Orndahl vs S Johansen |
| 0-1 | 31 | 2014 | Rilton Cup 2013/14 | B30 Sicilian |
| 22. S Merkesvik vs M Orndahl |
| 0-1 | 78 | 2014 | Rilton Cup 2013/14 | A06 Reti Opening |
| 23. M Orndahl vs M Jogstad |
| ½-½ | 26 | 2014 | Rilton Cup 2013/14 | C01 French, Exchange |
| 24. B Gamback vs M Orndahl |
| 0-1 | 52 | 2014 | Rilton Cup 2013/14 | A04 Reti Opening |
| 25. A Ornstein vs M Orndahl |
| ½-½ | 45 | 2014 | TCh-SWE Elitserien | D02 Queen's Pawn Game |
Kibitzing
