| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Hort vs R Hernandez Onna |
| ½-½ | 53 | 1971 | Capablanca Memorial | D32 Queen's Gambit Declined, Tarrasch |
| 2. G Kirsch vs R Hernandez Onna |
| 0-1 | 67 | 1972 | Skopje Olympiad qual-1 | D32 Queen's Gambit Declined, Tarrasch |
| 3. Hort vs R Hernandez Onna |
| ½-½ | 48 | 1974 | Sunny Beach | D32 Queen's Gambit Declined, Tarrasch |
| 4. A Deze vs R Hernandez Onna |
| 0-1 | 27 | 1974 | Novi Sad | D32 Queen's Gambit Declined, Tarrasch |
| 5. Lombardy vs R Hernandez Onna |
 | 0-1 | 25 | 1975 | Tallinn | D32 Queen's Gambit Declined, Tarrasch |
| 6. I Nei vs R Hernandez Onna |
| 1-0 | 25 | 1975 | Tallinn | D32 Queen's Gambit Declined, Tarrasch |
| 7. O Rodriguez Vargas vs R Hernandez Onna |
| 0-1 | 52 | 1976 | Las Palmas | D32 Queen's Gambit Declined, Tarrasch |
| 8. Kaidanov vs R Hernandez Onna |
| ½-½ | 52 | 1988 | Calcutta | D32 Queen's Gambit Declined, Tarrasch |
| 9. G Milos vs R Hernandez Onna |
| 0-1 | 34 | 1988 | Aosta Open | D32 Queen's Gambit Declined, Tarrasch |
| 10. E Ssentongo vs R Hernandez Onna |
| 0-1 | 34 | 1990 | Novi Sad Olympiad | D32 Queen's Gambit Declined, Tarrasch |
Kibitzing
