| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Stumpers vs S Landau |
| 0-1 | 41 |
1939 |
NED-ch11 | D33 Queen's Gambit Declined, Tarrasch |
| 2. L Stumpers vs Euwe |
 | 0-1 | 30 |
1946 |
NED-ch prelim I | E60 King's Indian Defense |
| 3. L Stumpers vs H Van Steenis |
| 0-1 | 24 |
1946 |
NED-ch prelim I | D28 Queen's Gambit Accepted, Classical |
| 4. L Stumpers vs H Van Steenis |
| 0-1 | 33 |
1947 |
Int B | D23 Queen's Gambit Accepted |
| 5. L Stumpers vs C Vlagsma |
| 0-1 | 45 |
1948 |
NED-ch14 | C65 Ruy Lopez, Berlin Defense |
| 6. L Stumpers vs H Kramer |
| 0-1 | 40 |
1948 |
NED-ch14 | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. L Stumpers vs A Vinken |
| 0-1 | 33 |
1948 |
NED-ch14 | E21 Nimzo-Indian, Three Knights |
| 8. J T Barendregt vs L Stumpers |
| 0-1 | 26 |
1948 |
NED-ch14 | C86 Ruy Lopez, Worrall Attack |
| 9. L Stumpers vs F Jenei |
| 0-1 | 31 |
1949 |
HUN-NED | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 10. F Henneberke vs L Stumpers |
| 0-1 | 47 |
1950 |
NED-ch | A07 King's Indian Attack |
| 11. L Stumpers vs T Van Scheltinga |
| 0-1 | 45 |
1950 |
NED-ch | D45 Queen's Gambit Declined Semi-Slav |
| 12. L Stumpers vs C B Van den Berg |
| 0-1 | 39 |
1950 |
NED-ch | A95 Dutch, Stonewall |
| 13. J T Barendregt vs L Stumpers |
| 0-1 | 41 |
1950 |
NED-ch | D59 Queen's Gambit Declined, Tartakower |
| 14. L Stumpers vs Rossolimo |
| 0-1 | 56 |
1951 |
Hoogovens | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
