| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Van De Mortel vs Piket |
| 0-1 | 60 |
1993 |
Leeuwarden op | D02 Queen's Pawn Game |
| 2. Baburin vs J Van De Mortel |
 | 1-0 | 34 |
1993 |
It (open) | E62 King's Indian, Fianchetto |
| 3. Garcia vs J Van De Mortel |
| 1-0 | 29 |
1993 |
Den Haag Kagawa | B24 Sicilian, Closed |
| 4. Kharlov vs J Van De Mortel |
| 1-0 | 64 |
1994 |
Leeuwarden op | B22 Sicilian, Alapin |
| 5. G Timoshchenko vs J Van De Mortel |
| 1-0 | 33 |
1994 |
Oberwart op | E92 King's Indian |
| 6. J Stocek vs J Van De Mortel |
| 1-0 | 35 |
1995 |
EU-ch U20 | B72 Sicilian, Dragon |
| 7. Kotronias vs J Van De Mortel |
| 1-0 | 69 |
1995 |
It (a) | B32 Sicilian |
| 8. J Van De Mortel vs Bronstein |
| 0-1 | 35 |
1995 |
It (open) | E94 King's Indian, Orthodox |
| 9. Van der Wiel vs J Van De Mortel |
| 1-0 | 35 |
1996 |
Wijk-B | B76 Sicilian, Dragon, Yugoslav Attack |
| 10. Blatny vs J Van De Mortel |
| 1-0 | 41 |
1996 |
open | A15 English |
| 11. J Van De Mortel vs Miles |
| ½-½ | 24 |
1996 |
Hoogovens (B) | A46 Queen's Pawn Game |
| 12. J Brenninkmeijer vs J Van De Mortel |
| 1-0 | 41 |
1996 |
NED-chT 9697 | E92 King's Indian |
| 13. J Van De Mortel vs Barsov |
| 0-1 | 45 |
1997 |
Lost Boys op | D02 Queen's Pawn Game |
| 14. J Van De Mortel vs Kasimdzhanov |
| 0-1 | 57 |
1999 |
Groningen op | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 15. E Van Beers vs J Van De Mortel |
| ½-½ | 12 |
2001 |
Tch-NED | B22 Sicilian, Alapin |
| 16. J Van De Mortel vs D Jongsma |
| 1-0 | 31 |
2001 |
10th AKN Weekender | D02 Queen's Pawn Game |
| 17. Y Visser vs J Van De Mortel |
| 1-0 | 34 |
2001 |
ch-NED semi-finals | A07 King's Indian Attack |
| 18. J Van De Mortel vs R Bertholee |
| ½-½ | 38 |
2001 |
Tch-NED | D02 Queen's Pawn Game |
| 19. G Fish vs J Van De Mortel |
 | 1-0 | 42 |
2001 |
10th AKN Weekender | D85 Grunfeld |
| 20. J Van De Mortel vs Y Visser |
| 0-1 | 58 |
2001 |
ch-NED semi-finals | C05 French, Tarrasch |
| 21. M Jonker vs J Van De Mortel |
| ½-½ | 18 |
2001 |
Tch-NED | B32 Sicilian |
| 22. J Van De Mortel vs Igor Coene |
| 1-0 | 22 |
2001 |
10th AKN Weekender | C22 Center Game |
| 23. Y Visser vs J Van De Mortel |
| 1-0 | 75 |
2001 |
ch-NED semi-finals | A07 King's Indian Attack |
| 24. J Van De Mortel vs H Ree |
| ½-½ | 18 |
2001 |
Tch-NED | A14 English |
| 25. Ad Feelders vs J Van De Mortel |
| 0-1 | 31 |
2001 |
10th AKN Weekender | B22 Sicilian, Alapin |