The draw for the Michael Murphy Sports and Leisure 2020 Senior Championship in the Mount Errigal Hotel on Thursday evening gave two relatively even and well balanced pools. Pool A teams – at home in Round 1 – are: Four Masters, Killybegs, Sean MacCumhaills, Naomh Conaill, Realt na Mara, St Nauls, St Michaels and Kilcar. This left their potential opposition across the four rounds in Pool B as: Gaoth Dobhair, Glenfin, Ardara, Milford, St Eunans, Dungloe, Glenswilly and Termon. Round 1 ties were as follows:
| Round 1 July 31 – August 3rd | ||
| Four Masters | v | Gaoth Dobhair |
| Killybegs | v | Glenfin |
| Sean MacCumhaill | v | Ardara |
| Naomh Conaill | v | Milford |
| Realt na Mara | v | St Eunans |
| St Nauls | v | Dungloe |
| St Michaels | v | Glenswilly |
| Kilcar | v | Termon |
