| 2026-05-24 | Alvarado v Olimpo Bahia Blanca | 2–0 | Regular Season - 10 |
| 2026-06-07 | Olimpo Bahia Blanca v Guillermo Brown | 0–0 | Regular Season - 12 |
| 2026-06-14 | Sol de Mayo v Olimpo Bahia Blanca | 1–1 | Regular Season - 13 |
| 2026-06-21 | Olimpo Bahia Blanca v Kimberley Mar del Plata | 0–0 | Regular Season - 14 |
| 2026-06-28 | Circulo Deportivo v Olimpo Bahia Blanca | 1–1 | Regular Season - 15 |
| 2026-07-05 | Olimpo Bahia Blanca v Villa Mitre | 0–0 | Regular Season - 16 |
| 2026-07-12 | Germinal de Rawson v Olimpo Bahia Blanca | 0–1 | Regular Season - 17 |
| 2026-07-26 | Olimpo Bahia Blanca v Santamarina | 2–0 | Regular Season - 18 |
| 2026-08-02 | Olimpo Bahia Blanca v Juventud Antoniana | 0–0 | Winners Stage - 1 |
| 2026-08-08 | Huracan Las Heras v Olimpo Bahia Blanca | 0–1 | Winners Stage - 2 |
| 2026-08-12 | Olimpo Bahia Blanca v Villa Mitre | 2–0 | Winners Stage - 3 |
| 2026-08-16 | Argentino Monte Maíz v Olimpo Bahia Blanca | 1–1 | Winners Stage - 4 |
| 2026-08-23 | Olimpo Bahia Blanca v Kimberley Mar del Plata | 1–0 | Winners Stage - 5 |
| 2026-08-30 | Atenas v Olimpo Bahia Blanca | 1–0 | Winners Stage - 6 |
| 2026-09-06 | Olimpo Bahia Blanca v Cipolletti | 1–1 | Winners Stage - 7 |
| 2026-09-20 | Alvarado v Olimpo Bahia Blanca | 1–1 | Winners Stage - 9 |
| 2026-09-27 | Olimpo Bahia Blanca v Gimnasia Chivilcoy | 2–1 | Quarter-finals |
| 2026-10-04 | Gimnasia Chivilcoy v Olimpo Bahia Blanca | 1–2 | Quarter-finals |
| 2026-10-11 | Olimpo Bahia Blanca v San Martin Formosa | 1–1 | Semi-finals |
| 2026-10-18 | San Martin Formosa v Olimpo Bahia Blanca | — | Semi-finals |
