| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J A Seitz vs R P Michell |
| 1-0 | 54 |
1923 |
Hastings 2324 | D64 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 2. J A Seitz vs J Blake |
| 1-0 | 70 |
1923 |
Hastings 2324 | A16 English |
| 3. Mieses vs J A Seitz |
| 0-1 | 48 |
1923 |
Hastings 2324 | B23 Sicilian, Closed |
| 4. J A Seitz vs H E Price |
| 1-0 | 31 |
1923 |
Hastings 2324 | A10 English |
| 5. J A Seitz vs Colle |
| 1-0 | 51 |
1923 |
Hastings 2324 | B41 Sicilian, Kan |
| 6. J A Seitz vs L Steiner |
| 1-0 | 63 |
1924 |
Hastings-A 2425 | C66 Ruy Lopez |
| 7. J A Seitz vs H E Price |
| 1-0 | 36 |
1924 |
Hastings-A 2425 | D64 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 8. L Dewing vs J A Seitz |
| 0-1 | 34 |
1924 |
Hastings-A 2425 | B41 Sicilian, Kan |
| 9. J A Seitz vs Yates |
| 1-0 | 42 |
1925 |
Hastings 2526 | E90 King's Indian |
| 10. J A Seitz vs L Steiner |
| 1-0 | 30 |
1925 |
Debrecen | D90 Grunfeld |
| 11. J A Seitz vs G Nagy |
| 1-0 | 48 |
1925 |
Debrecen | D43 Queen's Gambit Declined Semi-Slav |
| 12. J A Seitz vs A Vajda |
 | 1-0 | 55 |
1925 |
Debrecen | E61 King's Indian |
| 13. J A Seitz vs Wahltuch |
| 1-0 | 51 |
1926 |
Hastings 2526 | D31 Queen's Gambit Declined |
| 14. J A Seitz vs Colle |
| 1-0 | 62 |
1928 |
Dortmund | B01 Scandinavian |
| 15. A Kramer vs J A Seitz |
| 0-1 | 28 |
1928 |
Dortmund GER | B73 Sicilian, Dragon, Classical |
| 16. J A Seitz vs P F Johner |
| 1-0 | 53 |
1928 |
Dortmund GER | C68 Ruy Lopez, Exchange |
| 17. Menchik vs J A Seitz |
| 0-1 | 51 |
1929 |
Paris | D30 Queen's Gambit Declined |
| 18. K Helling vs J A Seitz |
| 0-1 | 33 |
1929 |
DSB-26.Kongress | A82 Dutch, Staunton Gambit |
| 19. Znosko-Borovsky vs J A Seitz |
 | 0-1 | 96 |
1931 |
Nice it | B24 Sicilian, Closed |
| 20. J A Seitz vs G Schories |
| 1-0 | 52 |
1933 |
GER-ch 1st | D43 Queen's Gambit Declined Semi-Slav |
| 21. J A Seitz vs E Tholfsen |
 | 1-0 | 21 |
1934 |
Syracuse | C68 Ruy Lopez, Exchange |
| 22. Menchik vs J A Seitz |
| 0-1 | 40 |
1938 |
Lodz | D37 Queen's Gambit Declined |