| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O Zander vs H Fraenkel |
| 1-0 | 32 | 1920 | Berlin | C29 Vienna Gambit |
| 2. W Schlage vs O Zander |
| ½-½ | 42 | 1920 | Berlin CL | C02 French, Advance |
| 3. O Zander vs F Pelzer |
 | 1-0 | 17 | 1920 | Berlin CL | C25 Vienna |
| 4. G Schories vs O Zander |
| 0-1 | 36 | 1921 | 21. DSB Kongress | C14 French, Classical |
| 5. O Zander vs A Brinckmann |
| 1-0 | 32 | 1921 | 21. DSB Kongress | B00 Uncommon King's Pawn Opening |
| 6. H Wagner vs O Zander |
| 1-0 | 22 | 1921 | 21. DSB Kongress | D10 Queen's Gambit Declined Slav |
| 7. P Krueger vs O Zander |
| 1-0 | 30 | 1921 | 21. DSB Kongress | A10 English |
| 8. O Zander vs Saemisch |
| 0-1 | 32 | 1921 | 21. DSB Kongress | B23 Sicilian, Closed |
| 9. W John vs O Zander |
| ½-½ | 35 | 1921 | 21. DSB Kongress | A36 English |
| 10. O Zander vs C Ahues |
| ½-½ | 35 | 1921 | 21. DSB Kongress | A47 Queen's Indian |
| 11. E Post vs O Zander |
| 1-0 | 41 | 1921 | 21. DSB Kongress | C14 French, Classical |
| 12. O Zander vs C Carls |
| 0-1 | 56 | 1921 | 21. DSB Kongress | B06 Robatsch |
| 13. W Schlage vs O Zander |
| 1-0 | 68 | 1921 | 21. DSB Kongress | A10 English |
| 14. O Zander vs B Gregory |
| 0-1 | 66 | 1921 | 21. DSB Kongress | C26 Vienna |
| 15. W Fick vs O Zander |
| 0-1 | 22 | 1922 | Germany - Netherlands | C64 Ruy Lopez, Classical |
| 16. O Zander vs W Fick |
| ½-½ | 50 | 1922 | Germany - Netherlands | B40 Sicilian |
| 17. E Post vs O Zander |
| 1-0 | 62 | 1922 | 22nd DSB Congress, Bad Oeynhausen | C49 Four Knights |
| 18. O Zander vs T Hess |
| 0-1 | 34 | 1922 | 22nd DSB Congress, Bad Oeynhausen | C25 Vienna |
| 19. O Zander vs O Wegemund |
| 1-0 | 38 | 1922 | 22nd DSB Congress, Bad Oeynhausen | C28 Vienna Game |
| 20. O Antze vs O Zander |
| 1-0 | 54 | 1922 | 22nd DSB Congress, Bad Oeynhausen | A21 English |
| 21. O Zander vs W Schlage |
| 0-1 | 40 | 1922 | 22nd DSB Congress, Bad Oeynhausen | B25 Sicilian, Closed |
| 22. O Zander vs S Gruber |
| 1-0 | 41 | 1922 | 22nd DSB Congress, Bad Oeynhausen | B02 Alekhine's Defense |
| 23. C Carls vs O Zander |
| 1-0 | 29 | 1922 | 22nd DSB Congress, Bad Oeynhausen | A21 English |
| 24. P Krueger vs O Zander |
 | ½-½ | 41 | 1922 | 22nd DSB Congress, Bad Oeynhausen | A84 Dutch |
| 25. O Zander vs P Leonhardt |
| ½-½ | 40 | 1922 | 22nd DSB Congress, Bad Oeynhausen | C45 Scotch Game |
Kibitzing
