| 2026-05-21 | Instituto Res. v Godoy Cruz Res. | 2–1 | Regular Season - 14 |
| 2026-05-27 | Vélez Sársfield Res. v Instituto Res. | 2–3 | Regular Season - 15 |
| 2026-06-03 | Instituto Res. v Atlético Tucumán Res. | 0–3 | Regular Season - 16 |
| 2026-06-10 | San Lorenzo Res. v Instituto Res. | 2–2 | Regular Season - 17 |
| 2026-06-17 | Instituto Res. v Unión Santa Fe Res. | 0–2 | Apertura - 18 |
| 2026-07-16 | Tigre Res. v Instituto Res. | 1–0 | Clausura - 1 |
| 2026-07-23 | Instituto Res. v Gimnasia La Plata Res. | 0–0 | Clausura - 2 |
| 2026-08-06 | Rosario Central Res. v Instituto Res. | 2–2 | Clausura - 3 |
| 2026-08-12 | Instituto Res. v Aldosivi Res. | 1–1 | Clausura - 4 |
| 2026-08-19 | Banfield Res. v Instituto Res. | 2–3 | Clausura - 5 |
| 2026-08-25 | Instituto Res. v Argentinos Juniors Res. | 2–0 | Clausura - 6 |
| 2026-09-02 | Talleres Córdoba Res. v Instituto Res. | 0–1 | Clausura - 7 |
| 2026-09-09 | Instituto Res. v Sarmiento Res. | 2–2 | Clausura - 8 |
| 2026-09-17 | Barracas Central Res. v Instituto Res. | 3–1 | Clausura - 9 |
| 2026-09-24 | Instituto Res. v Estudiantes Rio Cuarto 2 | 0–2 | Clausura - 10 |
| 2026-09-30 | Instituto Res. v Racing Club Res. | 2–2 | Clausura - 11 |
| 2026-10-07 | Gimnasia Mendoza 2 v Instituto Res. | 1–1 | Clausura - 12 |
| 2026-10-13 | Instituto Res. v River Plate Res. | 3–2 | Clausura - 13 |
| 2026-10-22 | Godoy Cruz Res. v Instituto Res. | — | Clausura - 14 |
