| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R Kezin vs M Andersen |
| 0-1 | 32 |
2008 |
EU-ch U14 18th | D94 Grunfeld |
| 2. M Andersen vs E Kyrkjebo |
| 1-0 | 50 |
2009 |
Politiken Cup | C61 Ruy Lopez, Bird's Defense |
| 3. L Wickstrom vs M Andersen |
| 0-1 | 41 |
2009 |
Politiken Cup | D85 Grunfeld |
| 4. D Andersen vs M Andersen |
 | 0-1 | 53 |
2009 |
Politiken Cup | A48 King's Indian |
| 5. M Andersen vs N P Nielsen |
| 1-0 | 29 |
2009 |
Politiken Cup | B33 Sicilian |
| 6. M Andersen vs R Hardarson |
| 1-0 | 41 |
2009 |
Reykjavik Open | C82 Ruy Lopez, Open |
| 7. E Brondum vs M Andersen |
| 0-1 | 46 |
2009 |
Politiken Cup | A07 King's Indian Attack |
| 8. M Andersen vs I Johannesson |
| 1-0 | 39 |
2009 |
Reykjavik Open | C18 French, Winawer |
| 9. M Andersen vs A Rhee |
| 1-0 | 45 |
2009 |
Politiken Cup | B42 Sicilian, Kan |
| 10. S Sigurjonsson vs M Andersen |
| 0-1 | 43 |
2009 |
Reykjavik Open | B23 Sicilian, Closed |
| 11. M Andersen vs G Johansson |
| 1-0 | 24 |
2009 |
Rilton Cup | B48 Sicilian, Taimanov Variation |
| 12. M Andersen vs H Gabuzyan |
| 1-0 | 69 |
2010 |
WYCC Open U16 | E70 King's Indian |
| 13. M Andersen vs S Sagar |
| 1-0 | 40 |
2010 |
World Junior Championship | C41 Philidor Defense |
| 14. M Andersen vs Bardia Galehdari |
| 1-0 | 67 |
2010 |
WYCC Open U16 | D46 Queen's Gambit Declined Semi-Slav |
| 15. M Andersen vs I Ben Artzi |
| 1-0 | 45 |
2010 |
WYCC Open U16 | B09 Pirc, Austrian Attack |
| 16. Ngoc Lan Tran vs M Andersen |
| 0-1 | 51 |
2010 |
World Junior Championship | A07 King's Indian Attack |
| 17. M Andersen vs M Pena Gomez |
| 1-0 | 35 |
2010 |
London Chess Classic FIDE Open | A62 Benoni, Fianchetto Variation |
| 18. M Andersen vs A Donskov |
| 1-0 | 50 |
2010 |
WYCC Open U16 | C18 French, Winawer |
| 19. M Andersen vs P Janus |
| 1-0 | 39 |
2010 |
World Junior Championship | D20 Queen's Gambit Accepted |
| 20. M Andersen vs A Slavin |
| 1-0 | 35 |
2010 |
London Chess Classic FIDE Open | E00 Queen's Pawn Game |
| 21. R Makhmutov vs M Andersen |
| 0-1 | 49 |
2010 |
WYCC Open U16 | B40 Sicilian |
| 22. M Andersen vs I Agrest |
| 1-0 | 42 |
2010 |
Rilton Cup | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 23. A Predke vs M Andersen |
| 0-1 | 38 |
2010 |
WYCC Open U16 | B48 Sicilian, Taimanov Variation |
| 24. M Andersen vs B Lalith |
| 1-0 | 64 |
2010 |
World Junior Championship | B18 Caro-Kann, Classical |
| 25. M Andersen vs E Topak |
| 1-0 | 38 |
2010 |
WYCC Open U16 | E91 King's Indian |
