| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. R Pruijssers vs J Van Overdam |
| ½-½ | 44 |
2010 |
Schaakfestival Open A | B81 Sicilian, Scheveningen, Keres Attack |
| 2. J Van Overdam vs J Ashwin |
| 0-1 | 31 |
2010 |
Schaakfestival Open A | B23 Sicilian, Closed |
| 3. J Van Overdam vs C Van Oosterom |
| 0-1 | 40 |
2010 |
Schaakfestival Open A | B25 Sicilian, Closed |
| 4. Akash Thakur vs J Van Overdam |
| ½-½ | 26 |
2011 |
Groningen Chess Festival | A52 Budapest Gambit |
| 5. J Van Overdam vs D Jojua |
| 0-1 | 31 |
2011 |
27th Cappelle-la-Grande | B25 Sicilian, Closed |
| 6. V Durarbayli vs J Van Overdam |
 | ½-½ | 148 |
2011 |
Groningen Chess Festival | B81 Sicilian, Scheveningen, Keres Attack |
| 7. R Pruijssers vs J Van Overdam |
| ½-½ | 45 |
2011 |
Schaakfestival Open A | B81 Sicilian, Scheveningen, Keres Attack |
| 8. L Cako vs J Van Overdam |
| ½-½ | 44 |
2011 |
Groningen Chess Festival | B86 Sicilian, Fischer-Sozin Attack |
| 9. D Marholev vs J Van Overdam |
| 0-1 | 46 |
2011 |
27th Cappelle-la-Grande | B40 Sicilian |
| 10. J Van Overdam vs M De Jong |
| 0-1 | 55 |
2011 |
Schaakfestival Open A | C07 French, Tarrasch |
| 11. B Firat vs J Van Overdam |
| ½-½ | 38 |
2011 |
Groningen Chess Festival | E11 Bogo-Indian Defense |
| 12. J Van Overdam vs C Van Oosterom |
| 0-1 | 40 |
2011 |
Schaakfestival Open A | B25 Sicilian, Closed |
| 13. J Van Overdam vs D Brandenburg |
| 0-1 | 80 |
2011 |
Groningen Chess Festival | C45 Scotch Game |
| 14. J Van Overdam vs N Georgiadis |
| ½-½ | 87 |
2011 |
Groningen Chess Festival | B23 Sicilian, Closed |
| 15. J Van Overdam vs T Burg |
| 1-0 | 45 |
2011 |
27th Cappelle-la-Grande | B12 Caro-Kann Defense |
| 16. Demre Kerigan vs J Van Overdam |
| 0-1 | 35 |
2011 |
Groningen Chess Festival | B81 Sicilian, Scheveningen, Keres Attack |
| 17. J Van Overdam vs I Maris |
| 1-0 | 28 |
2011 |
Groningen Chess Festival | B23 Sicilian, Closed |
| 18. A Payen vs J Van Overdam |
| ½-½ | 24 |
2011 |
27th Cappelle-la-Grande | A37 English, Symmetrical |
| 19. J Van Overdam vs A Kovchan |
 | 0-1 | 35 |
2011 |
Groningen Chess Festival | B23 Sicilian, Closed |
| 20. Cherniaev vs J Van Overdam |
| 1-0 | 42 |
2012 |
45th Biel Masters Open | B21 Sicilian, 2.f4 and 2.d4 |
| 21. R Kevlishvili vs J Van Overdam |
| 0-1 | 61 |
2012 |
Groningen Open | B81 Sicilian, Scheveningen, Keres Attack |
| 22. R Hungaski vs J Van Overdam |
| 1-0 | 43 |
2012 |
45th Biel Masters Open | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 23. E Hansen vs J Van Overdam |
| 1-0 | 32 |
2012 |
Groningen Open | B81 Sicilian, Scheveningen, Keres Attack |
| 24. J Van Overdam vs M Hovhanisian |
| 0-1 | 24 |
2012 |
Groningen Open | C05 French, Tarrasch |
| 25. J Van Overdam vs V Plat |
| 1-0 | 16 |
2012 |
Groningen Open | B25 Sicilian, Closed |