| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. E Voellmy vs J A Seitz |
| ½-½ | 36 |
1923 |
SUI-South Germany | D52 Queen's Gambit Declined |
| 2. J A Seitz vs Tarrasch |
| ½-½ | 51 |
1923 |
Trieste | A91 Dutch Defense |
| 3. J A Seitz vs E Voellmy |
| ½-½ | 21 |
1923 |
SUI-South Germany | D63 Queen's Gambit Declined, Orthodox Defense |
| 4. R P Michell vs J A Seitz |
| ½-½ | 51 |
1924 |
Hastings-A 2425 | B40 Sicilian |
| 5. J A Seitz vs Maroczy |
| ½-½ | 22 |
1924 |
Hastings-A 2425 | C01 French, Exchange |
| 6. J A Seitz vs P D Bolland |
| ½-½ | 66 |
1924 |
Hastings-A 2425 | D64 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 7. L Asztalos vs J A Seitz |
| ½-½ | 19 |
1925 |
Debrecen | A52 Budapest Gambit |
| 8. J A Seitz vs V Vukovic |
| ½-½ | 34 |
1925 |
Debrecen | C48 Four Knights |
| 9. J A Seitz vs Kmoch |
| ½-½ | 22 |
1925 |
Debrecen | C01 French, Exchange |
| 10. J A Seitz vs Gruenfeld |
| ½-½ | 63 |
1925 |
Debrecen | B02 Alekhine's Defense |
| 11. K Havasi vs J A Seitz |
| ½-½ | 30 |
1925 |
Debrecen | D51 Queen's Gambit Declined |
| 12. Tartakower vs J A Seitz |
 | ½-½ | 113 |
1925 |
Debrecen | B23 Sicilian, Closed |
| 13. J A Seitz vs Spielmann |
| ½-½ | 64 |
1928 |
08, Dortmund | D52 Queen's Gambit Declined |
| 14. A Van Nuss vs J A Seitz |
| ½-½ | 59 |
1928 |
Dortmund GER | D32 Queen's Gambit Declined, Tarrasch |
| 15. Noteboom vs J A Seitz |
| ½-½ | 13 |
1931 |
Nice | A80 Dutch |
| 16. J A Seitz vs Kashdan |
| ½-½ | 57 |
1934 |
Syracuse | C68 Ruy Lopez, Exchange |
| 17. F Sulik vs J A Seitz |
| ½-½ | 58 |
1938 |
Lodz | A44 Old Benoni Defense |
| 18. V Petrov vs J A Seitz |
| ½-½ | 51 |
1938 |
Lodz | B23 Sicilian, Closed |
| 19. Foltys vs J A Seitz |
| ½-½ | 65 |
1938 |
Lodz | B29 Sicilian, Nimzovich-Rubinstein |
| 20. J A Seitz vs K Darga |
| ½-½ | 39 |
1957 |
Madrid | B24 Sicilian, Closed |