| South Sydney Rabbitohs — St George-Illawarra Dragons | 2018-09-15 19:40:00September 15, 2018 | South Sydney Rabbitohs  | 13 - 12 |  St George-Illawarra Dragons | 19:40:007:40 pm | N/A |
| Brisbane Broncos — St George-Illawarra Dragons | 2018-09-09 16:00:00September 9, 2018 | Brisbane Broncos  | 18 - 48 | St George-Illawarra Dragons | 16:00:004:00 pm | N/A |
| Newcastle Knights vs St George-Illawarra Dragons | 2018-09-01 15:00:00September 1, 2018 | Newcastle Knights  | 14 - 24 | St George-Illawarra Dragons | 15:00:003:00 pm | N/A |
| Wests Tigers vs St George-Illawarra Dragons | 2018-08-18 17:30:00August 18, 2018 | Wests Tigers  | 10 - 20 | St George-Illawarra Dragons | 17:30:005:30 pm | N/A |
| Parramatta Eels vs St George-Illawarra Dragons | 2018-08-11 19:30:00August 11, 2018 | Parramatta Eels  | 40 - 4 | St George-Illawarra Dragons | 19:30:007:30 pm | N/A |
| North Queensland Cowboys vs St George-Illawarra Dragons | 2018-07-21 19:30:00July 21, 2018 | North Queensland Cowboys  | 10 - 24 | St George-Illawarra Dragons | 19:30:007:30 pm | N/A |
| St George-Illawarra Dragons — Wentworthville Magpies | 2018-07-15 13:45:00July 15, 2018 | St George-Illawarra Dragons | 40 - 22 |  Wentworthville Magpies | 13:45:001:45 pm | N/A |
| Melbourne Storm vs St George-Illawarra Dragons | 2018-07-05 19:50:00July 5, 2018 | Melbourne Storm  | 52 - 30 | St George-Illawarra Dragons | 19:50:007:50 pm | N/A |
| St George-Illawarra Dragons vs Parramatta Eels | 2018-06-28 19:50:00June 28, 2018 | St George-Illawarra Dragons | 20 - 18 | Parramatta Eels | 19:50:007:50 pm | N/A |
| Newcastle Knights — St George-Illawarra Dragons | 2018-05-27 11:45:00May 27, 2018 | Newcastle Knights | 16 - 32 | St George-Illawarra Dragons | 11:45:0011:45 am | N/A |
| Penrith Panthers vs St George-Illawarra Dragons | 2018-05-26 19:30:00May 26, 2018 | Penrith Panthers  | 28 - 2 | St George-Illawarra Dragons | 19:30:007:30 pm | N/A |
