Every competitive match Millwall played in 1919–20, in Southern League — 1 matches, 0 won, 0 drawn, 1 lost, with scorers and attendances where the record holds them.
| Date | Competition | Venue | Opponent | Their season | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 10 Jan 1920 | FA Cup | A | Notts County | Notts County 1919–20 | 0–2 |
All 121 Millwall seasons · Millwall head-to-head records · Millwall players