| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. V Pafnutieff vs R J Gross |
 | 1-0 | 23 | 1953 | California State Championship | D69 Queen's Gambit Declined, Orthodox Defense, Classical, 13.de |
| 2. R J Gross vs M Rohland |
| 1-0 | 34 | 1954 | 55th US Open | E80 King's Indian, Samisch Variation |
| 3. R J Gross vs G K Fielding |
| 1-0 | 50 | 1954 | 55th US Open | E01 Catalan, Closed |
| 4. R J Gross vs P Lapiken |
| 0-1 | 24 | 1955 | 56th US Open | E70 King's Indian |
| 5. R J Gross vs H Seidman |
| 0-1 | 30 | 1955 | 56th US Open | D90 Grunfeld |
| 6. R J Gross vs J Bolton |
| 0-1 | 32 | 1955 | 56th US Open | D45 Queen's Gambit Declined Semi-Slav |
| 7. R J Gross vs J W Collins |
| ½-½ | 35 | 1958 | 59th US Open | D50 Queen's Gambit Declined |
| 8. R J Gross vs O Ulvestad |
| ½-½ | 25 | 1958 | 59th US Open | E00 Queen's Pawn Game |
| 9. A Kaufman vs R J Gross |
| 0-1 | 41 | 1958 | 59th US Open | C00 French Defense |
| 10. R J Gross vs C Brasket |
| 0-1 | 53 | 1958 | 59th US Open | E64 King's Indian, Fianchetto, Yugoslav System |
| 11. R J Gross vs C Henin |
| ½-½ | 29 | 1958 | 59th US Open | A56 Benoni Defense |
| 12. R J Gross vs E Mednis |
| 0-1 | 46 | 1958 | 59th US Open | E62 King's Indian, Fianchetto |
| 13. R J Gross vs J Sherwin |
| 0-1 | 36 | 1960 | 61st US Open | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 14. R J Gross vs F Cramer |
| 1-0 | 22 | 1960 | 61st US Open | A52 Budapest Gambit |
| 15. M Otteson vs R J Gross |
| 0-1 | 20 | 1960 | 61st US Open | D50 Queen's Gambit Declined |
| 16. J Ragan vs R J Gross |
| 1-0 | 18 | 1960 | 61st US Open | D50 Queen's Gambit Declined |
| 17. R J Gross vs Santasiere |
| ½-½ | 18 | 1960 | 61st US Open | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 18. A Cantone vs R J Gross |
| 1-0 | 42 | 1961 | 62nd US Open | C92 Ruy Lopez, Closed |
| 19. R J Gross vs J F Shaw |
| 1-0 | 36 | 1961 | 62nd US Open | E70 King's Indian |
| 20. A W Bourke vs R J Gross |
| 1-0 | 51 | 1961 | 62nd US Open | C86 Ruy Lopez, Worrall Attack |
| 21. J R Mortz vs R J Gross |
| 1-0 | 24 | 1961 | 62nd US Open | C18 French, Winawer |
| 22. D Weamer vs R J Gross |
| 0-1 | 41 | 1961 | 62nd US Open | C97 Ruy Lopez, Closed, Chigorin |
| 23. R J Gross vs R M Bond |
| 1-0 | 30 | 1966 | 67th US Open | E70 King's Indian |
| 24. K Pullen vs R J Gross |
| ½-½ | 31 | 1966 | 67th US Open | D46 Queen's Gambit Declined Semi-Slav |
| 25. Lombardy vs R J Gross |
 | 1-0 | 22 | 1966 | 67th US Open | D06 Queen's Gambit Declined |
Kibitzing
