| 1 | R2,2023 | St George Illawarra v Gold Coast Titans | 32-18 | W | BE | | | | |
| 2 | R4,2023 | St George Illawarra v Cronulla | 8-40 | L | BE | | | | |
| 3 | R5,2023 | St George Illawarra v Dolphins | 38-12 | W | BE | | | | |
| 4 | R6,2023 | St George Illawarra v Gold Coast Titans | 18-20 | L | BE | | | | |
| 5 | R7,2023 | St George Illawarra v Canberra | 14-20 | L | BE | | | | |
| 6 | R8,2023 | St George Illawarra v Sydney Roosters | 26-27 | L | BE | | | | |
| 7 | R9,2023 | St George Illawarra v Canterbury | 16-18 | L | BE | 1 | | | 4 |
| 8 | R11,2023 | St George Illawarra v North Queensland | 22-42 | L | BE | | | | |
| 9 | R12,2023 | St George Illawarra v Sydney Roosters | 24-22 | W | BE | | | | |
| 10 | R13,2023 | St George Illawarra v Dolphins | 12-26 | L | BE | 1 | | | 4 |
| 11 | R18,2023 | St George Illawarra v Cronulla | 16-52 | L | BE | | | | |
| 12 | R19,2023 | St George Illawarra v Canberra | 26-36 | L | BE | | | | |
| 13 | R21,2023 | St George Illawarra v Wests Tigers | 18-14 | W | BE | | | | |
| 14 | R22,2023 | St George Illawarra v Manly | 18-24 | L | BE | | | | |
| 15 | R24,2023 | St George Illawarra v Souths | 14-26 | L | BE | | | | |