| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. F Perez Ponsa vs S Alonso |
| ½-½ | 34 | 2009 | Argentinian Championship | B48 Sicilian, Taimanov Variation |
| 2. T Sosa vs S Alonso |
| ½-½ | 48 | 2015 | Argentine Championship | B48 Sicilian, Taimanov Variation |
| 3. Pichot vs S Alonso |
| 0-1 | 48 | 2015 | Argentine Championship | B48 Sicilian, Taimanov Variation |
| 4. E Barbosa vs S Alonso |
| 1-0 | 48 | 2016 | Cidade de Natal | B48 Sicilian, Taimanov Variation |
| 5. D Fernando vs S Alonso |
| 0-1 | 20 | 2016 | Cidade de Natal | B48 Sicilian, Taimanov Variation |
| 6. S Fell vs S Alonso |
| 1-0 | 31 | 2016 | Liga Nacional Superior | B48 Sicilian, Taimanov Variation |
| 7. D Mussanti vs S Alonso |
| 0-1 | 21 | 2018 | Marcel Duchamp Open | B48 Sicilian, Taimanov Variation |
Kibitzing
