| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F J Sanz Alonso vs V Tukmakov |
| ½-½ | 26 |
1978 |
Las Palmas | B22 Sicilian, Alapin |
| 2. F J Sanz Alonso vs Sosonko |
| 0-1 | 35 |
1978 |
Amsterdam | B22 Sicilian, Alapin |
| 3. F J Sanz Alonso vs Miles |
| 0-1 | 33 |
1978 |
Amsterdam | B22 Sicilian, Alapin |
| 4. F J Sanz Alonso vs Adianto |
| 1-0 | 27 |
1982 |
Olympiad | B45 Sicilian, Taimanov |
| 5. F J Sanz Alonso vs Zsuzsa Polgar |
 | 0-1 | 70 |
1989 |
Leon | B27 Sicilian |
| 6. F J Sanz Alonso vs Granda-Zuniga |
| 1-0 | 38 |
1990 |
Leon 20 | B30 Sicilian |
| 7. F J Sanz Alonso vs Granda-Zuniga |
| 0-1 | 76 |
1991 |
x | B31 Sicilian, Rossolimo Variation |
| 8. F J Sanz Alonso vs Spassky |
| ½-½ | 18 |
1991 |
Salamanca | B82 Sicilian, Scheveningen |
| 9. F J Sanz Alonso vs Suba |
| 0-1 | 39 |
1993 |
Elgoibar | B50 Sicilian |
| 10. F J Sanz Alonso vs Martinez Martin,D |
| ½-½ | 28 |
2001 |
TCh-ESP Div 2 | B21 Sicilian, 2.f4 and 2.d4 |
| 11. F J Sanz Alonso vs Le Andrade |
| 1-0 | 35 |
2001 |
43rd Tch-POR | B56 Sicilian |
| 12. F J Sanz Alonso vs Galego |
| 0-1 | 85 |
2001 |
43rd Tch-POR | B22 Sicilian, Alapin |
| 13. F J Sanz Alonso vs O Korneev |
| ½-½ | 38 |
2006 |
Sevilla op 31st | B42 Sicilian, Kan |
| 14. F J Sanz Alonso vs J Vila-Gazquez |
| 1-0 | 46 |
2006 |
XXIV Andorra Open | B48 Sicilian, Taimanov Variation |
