| Argentina Reserve League | 2018/09/12 15:00 | CA San Telmo Reserves v Defensores Unidos Reserves | L | 1-0 |
| Argentina Reserve League | 2018/10/23 18:00 | Club Comunicaciones Reserves v Defensores Unidos Reserves | L | 3-0 |
| Argentina Reserve League | 2018/10/17 18:00 | Defensores Unidos Reserves v Almirante Brown Reserves | D | 1-1 |
| Argentina Reserve League | 2018/10/10 18:00 | Fenix Reserves v Defensores Unidos Reserves | D | 1-1 |
| Argentina Reserve League | 2018/09/26 18:00 | Defensores Unidos Reserves v CA Colegiales Reserves | W | 1-0 |
| Argentina Reserve League | 2018/09/12 15:00 | CA San Telmo Reserves v Defensores Unidos Reserves | L | 1-0 |
| Argentina Reserve League | 2018/09/05 14:03 | Defensores Unidos Reserves v CA San Miguel Reserves | W | 3-0 |
| Argentina Reserve League | 2018/11/01 14:00 | CA San Telmo Reserves v Fenix Reserves | L | 1-2 |
| Argentina Reserve League | 2018/10/25 18:30 | CA Colegiales Reserves v CA San Telmo Reserves | W | 0-1 |
| Argentina Reserve League | 2018/10/18 13:00 | JJ Urquiza Reserves v CA San Telmo Reserves | W | 1-3 |
| Argentina Reserve League | 2018/10/11 14:00 | CA San Telmo Reserves v CA San Miguel Reserves | W | 1-0 |
| Argentina Reserve League | 2018/09/27 14:00 | All Boys Reserves v CA San Telmo Reserves | D | 1-1 |
| Argentina Reserve League | 2018/09/12 15:00 | CA San Telmo Reserves v Defensores Unidos Reserves | W | 1-0 |
| Argentina Reserve League | 2018/09/05 14:00 | Sacachispas Reserves v CA San Telmo Reserves | L | 2-1 |
| Argentina Reserve League | 2018/04/11 13:00 | Barracas Central Reserves v CA San Telmo Reserves | W | 0-2 |