Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. Chernev vs J Westbrock |
 | 1-0 | 30 | 1942 | US Championship Prelim B | E12 Queen's Indian |
2. J Westbrock vs H Steiner |
| 0-1 | 27 | 1946 | 47th US Open | A83 Dutch, Staunton Gambit |
3. Kupchik vs J Westbrock |
| 1-0 | 46 | 1946 | 47th US Open | D48 Queen's Gambit Declined Semi-Slav, Meran |
4. J Westbrock vs A J Fink |
| ½-½ | 32 | 1951 | 52nd US Open | D31 Queen's Gambit Declined |
5. M Wiener vs J Westbrock |
 | 0-1 | 17 | 1951 | 52nd US Open | E49 Nimzo-Indian, 4.e3, Botvinnik System |
6. J Westbrock vs J Cross |
 | 0-1 | 30 | 1951 | 52nd US Open | D14 Queen's Gambit Declined Slav, Exchange Variation |
7. J Westbrock vs Kashdan |
| 0-1 | 46 | 1951 | 52nd US Open | D10 Queen's Gambit Declined Slav |
8. J Westbrock vs R Harrell |
 | 1-0 | 17 | 1951 | 52nd US Open | E36 Nimzo-Indian, Classical |
9. G E Hartleb vs J Westbrock |
| ½-½ | 51 | 1951 | 52nd US Open | E21 Nimzo-Indian, Three Knights |
10. J Westbrock vs L T Magee |
| 0-1 | 29 | 1951 | 52nd US Open | D31 Queen's Gambit Declined |
11. K R Jones vs J Westbrock |
 | 1-0 | 31 | 1951 | 52nd US Open | C11 French |
12. A Coles vs J Westbrock |
 | 1-0 | 18 | 1951 | 52nd US Open | C12 French, McCutcheon |
13. L Evans vs J Westbrock |
| 1-0 | 42 | 1952 | 53rd US Open | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
14. W M Byland vs J Westbrock |
| ½-½ | 31 | 1952 | 53rd US Open | C39 King's Gambit Accepted |
15. J Westbrock vs L T Magee |
| ½-½ | 24 | 1952 | 53rd US Open | D48 Queen's Gambit Declined Semi-Slav, Meran |
16. J Westbrock vs I Zalys |
| 0-1 | 44 | 1952 | 53rd US Open | E32 Nimzo-Indian, Classical |
17. J Westbrock vs R Brieger |
| 0-1 | 47 | 1952 | 53rd US Open | D02 Queen's Pawn Game |
18. J Westbrock vs G Borisenko |
| ½-½ | 46 | 1955 | olm3 corr5562 | C47 Four Knights |
19. Santasiere vs J Westbrock |
| 1-0 | 48 | 1957 | 58th US Open | A04 Reti Opening |
20. L Isaacs vs J Westbrock |
| 0-1 | 28 | 1957 | 58th US Open | B01 Scandinavian |
21. J Westbrock vs K Smith |
 | 1-0 | 32 | 1957 | 58th US Open | B22 Sicilian, Alapin |
22. J Westbrock vs L Endzelins |
| 0-1 | 70 | 1961 | ICCF Olympiad III Final | C16 French, Winawer |
23. E Mednis vs J Westbrock |
| 1-0 | 36 | 1962 | Manhattan C.C. Ch | C86 Ruy Lopez, Worrall Attack |
24. J Westbrock vs A Bisguier |
| 0-1 | 37 | 1965 | Manhattan | A34 English, Symmetrical |
25. J Westbrock vs I Theodorovich |
| 1-0 | 58 | 1965 | New York State Chess Congress | A54 Old Indian, Ukrainian Variation, 4.Nf3 |