| 14 feb 2026 | Koch, Juan 2031 | Acosta, Pablo Ismael 2478 | 0-1 | B20 Defensa Siciliana: Keres Variation | V Perez Chess Open 2026 | 33 | Ver |
| 23 nov 2025 | Koch, Juan 2007 | Cranbourne, Carlos 2110 | ½-½ | B40 Defensa Siciliana: French Variation, Normal | Campeonato Argentino Senior 2025 | 21 | Ver |
| 9 nov 2025 | Adam, Ernestina 2191 | Koch, Juan 2007 | 1-0 | C02 Defensa Francesa: Advance Variation, Wade Variation | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 22 | Ver |
| 8 nov 2025 | Koch, Juan 2007 | Asprelli, Gaspar 2319 | ½-½ | A33 Apertura Inglesa: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 43 | Ver |
| 5 nov 2025 | Koch, Juan 2007 | Varela Velazquez, Carlos Francisco 2204 | 0-1 | B11 Defensa Caro-Kann: Two Knights Attack, Mindeno Variation, Exchange Line | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | 51 | Ver |