Head to Head
| England EFL Cup | 2018/08/14 18:45 | Millwall v Gillingham | L | 3-1 |
| England League 1 | 2017/04/08 14:00 | Gillingham v Millwall | D | 1-1 |
| England League 1 | 2016/12/30 19:45 | Millwall v Gillingham | L | 2-1 |
| England EFL Trophy | 2016/10/04 18:45 | Millwall v Gillingham | L | 2-1 |
| England League 1 | 2016/05/08 11:30 | Gillingham v Millwall | L | 1-2 |
| England League 1 | 2015/12/19 15:00 | Millwall v Gillingham | W | 0-3 |
Home History
| Club Friendly List | 2019/07/20 13:00 | Gillingham v Charlton | W | 3-1 |
| Club Friendly List | 2019/07/16 18:45 | Dartford v Gillingham | W | 1-2 |
| Club Friendly List | 2019/07/13 14:00 | Folkestone Invicta v Gillingham | W | 0-4 |
| Club Friendly List | 2019/07/06 13:00 | Faversham Town v Gillingham | W | 1-9 |
| England League 1 | 2019/05/04 16:30 | Blackpool v Gillingham | W | 0-3 |
| England League 1 | 2019/04/27 14:00 | Gillingham v Charlton | L | 0-2 |
| England League 1 | 2019/04/22 14:00 | Bradford v Gillingham | D | 1-1 |
| England League 1 | 2019/04/19 14:00 | Gillingham v Plymouth | W | 3-1 |
Away History
| Europe Friendlies | 2019/07/20 14:00 | Hastings Utd v Millwall | W | 1-2 |
| Club Friendly List | 2019/07/16 18:00 | Braga v Millwall | L | 2-1 |
| Club Friendly List | 2019/07/06 12:00 | Concord Rangers v Millwall | W | 0-4 |
| England Championship | 2019/05/05 11:30 | Wigan v Millwall | L | 1-0 |
| England Championship | 2019/04/30 18:45 | Millwall v Bristol City | L | 1-2 |
| England Championship | 2019/04/27 12:30 | Millwall v Stoke | D | 0-0 |
| England Championship | 2019/04/22 12:00 | Aston Villa v Millwall | L | 1-0 |
| England Championship | 2019/04/19 12:00 | Millwall v Brentford | D | 1-1 |