1921
Round 1 - Sat Apr 23 - Norths 15 def Souths 11
Round 2 - Sat Apr 30 - Easts 32 def Souths 8
Round 3 - Sat May 7 - Souths 9 lost to Balmain 10
Round 4 - Sat May 14 - Souths 45 def University 7
Round 5 - Sat May 21 - Wests 8 lost to Souths 22
Round 6 - Sat May 28 - Souths Bye
Round 7 - Sat Jun 11 - Souths 19 def Newtown 7
Round 8 - Sat Jun 18 - Souths 7 lost to Glebe 16
Round 9 - Sat Jun 25 - Souths 20 def St George 9
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Norths | 8 | 7 | 1 | 0 | 1 | 172 | 82 | 17 | +90 |
| 2 | Easts | 8 | 6 | 1 | 1 | 1 | 187 | 67 | 15 | +120 |
| 3 | Glebe | 8 | 6 | 0 | 2 | 1 | 115 | 71 | 14 | +44 |
| 4 | Balmain | 8 | 5 | 0 | 3 | 1 | 135 | 71 | 12 | +64 |
| 5 | Souths | 8 | 4 | 0 | 4 | 1 | 141 | 104 | 10 | +37 |
| 6 | Newtown | 8 | 3 | 3 | 5 | 1 | 77 | 117 | 8 | -40 |
| 7 | St George | 8 | 2 | 2 | 6 | 1 | 87 | 124 | 6 | -37 |
| 8 | Wests | 8 | 2 | 2 | 6 | 1 | 90 | 155 | 6 | -65 |
| 9 | University | 8 | 0 | 0 | 8 | 1 | 82 | 295 | 2 | -213 |
1922
Round 1 - Sat Apr 29 - Wests 12 lost to Souths 20
Round 2 - Sat May 6 - St George 7 lost to Souths 22
Round 3 - Sat May 13 - Souths 8 drew Easts 8
Round 4 - Sat May 20 - Souths Bye
Round 5 - Sat May 27 - Newtown 12 def Souths 11
Round 6 - Sat Jun 10 - Glebe 24 def Souths 7
Round 7 - Sat Jun 17 - Balmain 6 def Souths 5
Round 8 - Sat Jun 24 - Norths 28 def Souths 6
Round 9 - Sat Jul 1 - Souths v University - match abandoned
Round 10 - Sat Jul 8 - Souths 12 def Wests 7
Round 11 - Sat Jul 15 - St George 9 lost to Souths 25
Round 12 - Sat Jul 22 - Souths 18 def Easts 16
Round 13 - Sat Jul 29 - Souths Bye
Round 14 - Sat Aug 5 - Souths 14 def Newtown 5
Round 15 - Sat Aug 12 - Souths 15 def Glebe 10
Round 16 - Sat Aug 19 - Souths 14 def Balmain 10
Round 17 - Sat Aug 26 - Norths 20 def Souths 11
Round 18 - Sat Sep 2 - Souths 19 def University 13
Final - Wed Sep 6 - Norths 35 def Glebe 3
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Norths | 16 | 12 | 0 | 4 | 2 | 306 | 136 | 24 | +170 |
| 2 | Glebe | 16 | 12 | 0 | 4 | 2 | 284 | 154 | 24 | +130 |
| | | | | | | | | | | |
| 3 | Easts | 16 | 9 | 2 | 5 | 2 | 217 | 177 | 20 | +40 |
| 4 | Souths | 15 | 9 | 1 | 5 | 2 | 207 | 187 | 19 | +20 |
| 5 | Balmain | 16 | 8 | 2 | 6 | 2 | 168 | 145 | 18 | +23 |
| 6 | Wests | 16 | 6 | 0 | 10 | 2 | 164 | 201 | 12 | -37 |
| 7 | Newtown | 16 | 5 | 1 | 10 | 2 | 169 | 200 | 11 | -31 |
| 8 | University | 15 | 5 | 0 | 10 | 2 | 148 | 287 | 10 | -139 |
| 9 | St George | 16 | 2 | 0 | 14 | 2 | 140 | 316 | 4 | -176 |
1923
Round 1 - Sat May 5 - Souths Bye
Round 2 - Sat May 12 - Souths 18 def Glebe 7
Round 3 - Sat May 19 - Easts 5 lost to Souths 15
Round 4 - Sat May 26 - Souths 21 def University 9
Round 5 - Sat Jun 2 - Souths 33 def Newtown 10
Round 6 - Sat Jun 9 - Souths 7 def Balmain 3
Round 7 - Sat Jun 16 - Souths 10 lost to Wests 31
Round 8 - Sat Jun 30 - St George 28 def Souths 5
Round 9 - Sat Jul 7 - Souths 10 def Norths 8
Round 10 - Sat Jul 14 - Souths Bye
Round 11 - Sat Jul 21 - Souths 10 def Glebe 0
Round 12 - Sat Jul 28 - Souths 5 lost to Easts 19
Round 13 - Sat Aug 4 - Souths 16 def University 12
Round 14 - Sat Aug 11 - Souths 25 def Newtown 7
Round 15 - Sat Aug 18 - Souths 15 def Balmain 6
Round 16 - Sat Aug 25 - Souths 18 def Wests 9
Round 17 - Sat Sep 1 - Souths 17 def St George 6
Round 18 - Sat Sep 8 - Souths 17 def Norths 13
Final - Wed Sep 12 - Easts 15 def Souths 12
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Easts | 16 | 13 | 0 | 3 | 2 | 235 | 124 | 26 | +111 |
| 2 | Souths | 16 | 13 | 0 | 3 | 2 | 242 | 173 | 26 | +69 |
| | | | | | | | | | | |
| 3 | Balmain | 16 | 10 | 1 | 5 | 2 | 247 | 136 | 21 | +111 |
| 4 | Wests | 16 | 9 | 0 | 7 | 2 | 257 | 218 | 18 | +39 |
| 5 | Norths | 16 | 8 | 0 | 8 | 2 | 245 | 223 | 16 | +22 |
| 6 | Glebe | 16 | 6 | 0 | 10 | 2 | 160 | 193 | 12 | -33 |
| 7 | St George | 16 | 5 | 0 | 11 | 2 | 168 | 236 | 10 | -68 |
| 8 | Newtown | 16 | 4 | 2 | 10 | 2 | 161 | 297 | 10 | -136 |
| 9 | University | 16 | 2 | 1 | 13 | 2 | 120 | 235 | 5 | -115 |
1924
Round 1 - Sat May 3 - Souths 13 def Wests 5
Round 2 - Sat May 10 - Souths 6 lost to Glebe 8
Round 3 - Sat May 17 - Souths 15 def Norths 8
Round 4 - Sat May 24 - Souths Bye
Round 5 - Sat Jun 14 - Souths 10 drew Balmain 10
Round 6 - Sat Jul 5 - Easts 3 lost to Souths 11
Round 7 - Sat Jul 12 - Souths 21 def Newtown 8
Round 8 - Sat Jul 19 - Souths 12 def University 11
Round 9 - Sat Jul 26 - Souths 16 def St George 7
Final - Tue Jul 29 - Balmain 3 def Souths 0
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Balmain | 8 | 6 | 1 | 1 | 1 | 124 | 53 | 13 | +71 |
| 2 | Souths | 8 | 6 | 1 | 1 | 1 | 104 | 60 | 13 | +44 |
| | | | | | | | | | | |
| 3 | Wests | 8 | 4 | 0 | 4 | 1 | 130 | 103 | 8 | +27 |
| 4 | Glebe | 8 | 4 | 0 | 4 | 1 | 87 | 95 | 8 | -8 |
| 5 | St George | 8 | 3 | 2 | 3 | 1 | 94 | 125 | 8 | -31 |
| 6 | Easts | 8 | 3 | 0 | 5 | 1 | 85 | 106 | 6 | -21 |
| 7 | Norths | 8 | 3 | 0 | 5 | 1 | 107 | 128 | 6 | -21 |
| 8 | University | 8 | 2 | 1 | 5 | 1 | 85 | 115 | 5 | -30 |
| 9 | Newtown | 8 | 2 | 1 | 5 | 1 | 98 | 129 | 5 | -31 |
1925
Round 1 - Sat May 2 - Souths 16 def Balmain 10
Round 2 - Sat May 9 - Souths 13 def University 0
Round 3 - Sat May 16 - Souths 14 def Easts 0
Round 4 - Sat May 23 - St George 10 lost to Souths 11
Round 5 - Sat Jun 6 - Newtown 12 lost to Souths 14
Round 6 - Sat Jun 13 - Souths 31 def Glebe 8
Round 7 - Sat Jun 20 - Souths Bye
Round 8 - Sat Jun 27 - Souths 23 def Wests 20
Round 9 - Sat Jul 4 - Souths 15 def Norths 10
Round 10 - Sat Jul 18 - Souths 8 def University 2
Round 11 - Sat Jul 25 - Souths 12 def Glebe 2
Round 12 - Sat Aug 1 - Souths 25 def St George 8
Round 13 - Sat Aug 8 - Souths 8 def Easts 5
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Souths | 12 | 12 | 0 | 0 | 1 | 190 | 87 | 26 | +103 |
| 2 | Wests | 11 | 6 | 0 | 5 | 2 | 166 | 150 | 16 | +16 |
| 3 | Balmain | 12 | 6 | 1 | 5 | 1 | 133 | 112 | 15 | +21 |
| 4 | Norths | 12 | 6 | 1 | 5 | 1 | 157 | 138 | 15 | +19 |
| 5 | St George | 11 | 5 | 1 | 5 | 2 | 132 | 141 | 15 | -9 |
| 6 | Glebe | 12 | 5 | 0 | 7 | 1 | 118 | 171 | 12 | -53 |
| 7 | University | 11 | 3 | 1 | 7 | 2 | 118 | 142 | 11 | -24 |
| 8 | Easts | 12 | 4 | 0 | 8 | 1 | 89 | 120 | 10 | -31 |
| 9 | Newtown | 11 | 3 | 0 | 8 | 2 | 94 | 136 | 10 | -42 |
1926
Round 1 - Sat Apr 24 - Souths 16 def St George 12
Round 2 - Sat May 1 - Souths 9 def Easts 4
Round 3 - Sat May 8 - Souths 27 def Norths 13
Round 4 - Sat May 15 - Souths 10 lost to Glebe 14
Round 5 - Sat May 22 - Souths Bye
Round 6 - Sat May 29 - Souths 15 def Wests 2
Round 7 - Sat Jun 12 - Souths 20 def Newtown 5
Round 8 - Sat Jun 19 - Balmain 6 lost to Souths 7
Round 9 - Sat Jun 26 - Souths 20 def University 5
Round 10 - Sat Jul 3 - St George 11 lost to Souths 26
Round 11 - Sat Jul 10 - Souths 16 def Easts 0
Round 12 - Sat Jul 17 - Norths 13 lost to Souths 22
Round 13 - Sat Jul 24 - Souths 29 def Glebe 5
Round 14 - Sat Jul 31 - Souths Bye
Round 15 - Sat Aug 7 - Souths 15 def Wests 12
Round 16 - Sat Aug 14 - Souths 24 lost to Newtown 25
Round 17 - Sat Aug 21 - Souths 26 def Balmain 11
Round 18 - Sat Aug 28 - Souths 36 def University 8
Semi-finals - Sat Sep 11 - Souths 21 def Easts 5
Final - Sat Sep 18 - Souths 11 def University 5
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Souths | 16 | 14 | 0 | 2 | 2 | 318 | 146 | 32 | +172 |
| 2 | Glebe | 16 | 9 | 1 | 6 | 2 | 188 | 168 | 23 | +20 |
| 3 | Easts | 16 | 9 | 1 | 6 | 2 | 207 | 192 | 23 | +15 |
| 4 | University | 16 | 9 | 0 | 7 | 2 | 198 | 217 | 22 | -19 |
| | | | | | | | | | | |
| 5 | Wests | 16 | 8 | 0 | 8 | 2 | 252 | 227 | 20 | +25 |
| 6 | Newtown | 16 | 7 | 0 | 9 | 2 | 189 | 223 | 18 | -34 |
| 7 | Norths | 16 | 7 | 0 | 9 | 2 | 227 | 271 | 18 | -44 |
| 8 | Balmain | 16 | 6 | 0 | 10 | 2 | 187 | 184 | 16 | +3 |
| 9 | St George | 16 | 2 | 0 | 14 | 2 | 169 | 307 | 8 | -138 |
1927
Round 1 - Sat Apr 23 - Souths 17 def Easts 11
Round 2 - Mon Apr 25 - Souths Bye
Round 3 - Sat Apr 30 - Glebe 6 lost to Souths 31
Round 4 - Sat May 7 - Souths 24 def Newtown 0
Round 5 - Sat May 14 - Souths 27 def Wests 12
Round 6 - Sat May 21 - Souths 36 def Balmain 14
Round 7 - Sat May 28 - Souths 26 def Norths 7
Round 8 - Sat Jun 11 - Souths 31 def University 14
Round 9 - Sat Jun 18 - Souths 17 def St George 13
Round 10 - Sat Jul 9 - Souths 16 lost to Easts 17
Round 11 - Sat Jul 16 - Souths Bye
Round 12 - Sat Jul 23 - Souths 26 def Glebe 11
Round 13 - Sat Jul 30 - Souths 34 def Newtown 9
Round 14 - Sat Aug 6 - Souths 19 def Wests 2
Round 15 - Sat Aug 13 - Balmain 15 def Souths 10
Round 16 - Sat Aug 20 - Norths 11 lost to Souths 24
Round 17 - Sat Aug 27 - Souths 42 def University 11
Round 18 - Sat Sep 3 - Souths 22 def St George 9
Semi-finals - Sat Sep 10 - Souths 38 def Wests 6
Final - Sat Sep 17 - Souths 20 def St George 11
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Souths | 16 | 14 | 0 | 2 | 2 | 402 | 162 | 32 | +240 |
| 2 | St George | 16 | 12 | 1 | 3 | 2 | 284 | 141 | 29 | +143 |
| 3 | Wests | 16 | 9 | 0 | 7 | 2 | 222 | 182 | 22 | +40 |
| 4 | Easts | 16 | 8 | 2 | 6 | 2 | 215 | 216 | 22 | -1 |
| | | | | | | | | | | |
| 5 | Newtown | 16 | 8 | 0 | 8 | 2 | 189 | 259 | 20 | -70 |
| 6 | Norths | 16 | 6 | 1 | 9 | 2 | 174 | 256 | 17 | -82 |
| 7 | Balmain | 16 | 5 | 2 | 9 | 2 | 210 | 238 | 16 | -28 |
| 8 | Glebe | 16 | 4 | 0 | 12 | 2 | 176 | 297 | 12 | -121 |
| 9 | University | 16 | 3 | 0 | 13 | 2 | 199 | 320 | 10 | -121 |
1928
Round 1 - Sat Apr 21 - Glebe 2 lost to Souths 12
Round 2 - Wed Apr 25 - Balmain 10 lost to Souths 22
Round 3 - Sat Apr 28 - Souths 17 def University 14
Round 4 - Sat May 26 - Easts 9 def Souths 7
Round 5 - Sat Jun 16 - Newtown 17 def Souths 12
Round 6 - Sat Jun 23 - St George 7 def Souths 5
Round 7 - Sat Jun 30 - Souths Bye
Round 8 - Sat Jul 7 - Wests 16 lost to Souths 34
Round 9 - Sat Jul 28 - Norths 9 lost to Souths 14
Round 10 - Sat Aug 4 - Souths 17 def Balmain 15
Round 11 - Sat Aug 11 - Glebe 13 def Souths 8
Round 12 - Sat Aug 18 - St George 9 def Souths 8
Round 13 - Sat Aug 25 - Souths 21 def Norths 17
Round 14 - Sat Sep 1 - Souths 39 def Newtown 14
Semi-finals - Sat Sep 8 - Souths 13 def St George 5
Final - Sat Sep 15 - Souths 26 def Easts 5
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | St George | 13 | 12 | 0 | 1 | 1 | 200 | 98 | 26 | +102 |
| 2 | Easts | 12 | 11 | 0 | 1 | 2 | 192 | 116 | 26 | +76 |
| 3 | Souths | 13 | 8 | 0 | 5 | 1 | 216 | 152 | 18 | +64 |
| 4 | Norths | 12 | 6 | 0 | 6 | 2 | 157 | 149 | 16 | +8 |
| | | | | | | | | | | |
| 5 | University | 13 | 6 | 0 | 7 | 1 | 184 | 176 | 14 | +8 |
| 6 | Wests | 12 | 4 | 0 | 8 | 2 | 174 | 206 | 12 | -32 |
| 7 | Glebe | 12 | 4 | 0 | 8 | 2 | 94 | 149 | 12 | -55 |
| 8 | Balmain | 13 | 4 | 0 | 9 | 1 | 180 | 236 | 10 | -56 |
| 9 | Newtown | 12 | 1 | 0 | 11 | 2 | 112 | 227 | 6 | -115 |
1929
Round 1 - Sat Apr 20 - Balmain 0 lost to Souths 17
Round 2 - Thu Apr 25 - Souths 28 def Glebe 2
Round 3 - Sat Apr 27 - Souths Bye
Round 4 - Sat May 4 - Souths 17 def Easts 5
Round 5 - Sat May 11 - Souths 17 def St George 5
Round 6 - Sat May 18 - Souths 13 def Wests 7
Round 7 - Sat Jun 15 - Souths 29 def University 9
Round 8 - Sat Jun 22 - Souths 10 def Norths 2
Round 9 - Sat Jun 29 - Souths 2 lost to Newtown 5
Round 10 - Sat Jul 6 - Souths 27 def Balmain 10
Round 11 - Sat Jul 13 - Souths 31 def Glebe 4
Round 12 - Sat Jul 20 - Souths Bye
Round 13 - Sat Jul 27 - Easts 18 lost to Souths 28
Round 14 - Sat Aug 3 - Souths 7 drew with St George 7
Round 15 - Sat Aug 10 - Souths 10 def Wests 6
Round 16 - Sat Aug 17 - Souths 25 def University 2
Round 17 - Sat Aug 24 - Souths 11 lost to Norths 14
Round 18 - Sat Aug 31 - Souths 24 def Newtown 8
Semi-finals - Sat Sep 7 - Souths 22 def Wests 10
Final - Sat Sep 14 - Souths 30 def Newtown 10
Table
| | Team | P | W | D | L | B | For | Agn | Pts | Diff |
| 1 | Souths | 16 | 13 | 1 | 2 | 2 | 296 | 104 | 31 | +192 |
| 2 | St George | 16 | 11 | 1 | 4 | 2 | 180 | 147 | 27 | +33 |
| 3 | Wests | 16 | 10 | 2 | 4 | 2 | 258 | 153 | 26 | +105 |
| 4 | Newtown | 16 | 10 | 0 | 6 | 2 | 188 | 169 | 24 | +19 |
| | | | | | | | | | | |
| 5 | Norths | 16 | 6 | 3 | 7 | 2 | 194 | 211 | 19 | -17 |
| 6 | Balmain | 16 | 6 | 1 | 9 | 2 | 213 | 259 | 17 | -46 |
| 7 | Easts | 16 | 4 | 2 | 10 | 2 | 203 | 269 | 14 | -66 |
| 8 | Glebe | 16 | 3 | 3 | 10 | 2 | 166 | 261 | 13 | -95 |
| 9 | University | 16 | 2 | 1 | 13 | 2 | 157 | 282 | 9 | -125 |
1930
Round 1 - Sat Apr 26 - Souths 31 def University 10
Round 2 - Sat May 3 - Souths 24 def Norths 7
Round 3 - Sat May 10 - Balmain 8 lost to Souths 23
Round 4 - Sat May 17 - Souths 11 lost to Easts 25
Round 5 - Sat Jun 21 - Wests 12 def Souths 5
Round 6 - Sat Jun 28 - St George 10 lost to Souths 23
Round 7 - Sat Jul 19 - Souths 16 def Newtown 12
Round 8 - Sat Jul 26 - Souths 17 def University 8
Round 9 - Sat Aug 9 - Norths 17 lost to Souths 27
Round 10 - Sat Aug 16 - Balmain 10 lost to Souths 21
Round 11 - Sat Aug 23 - Easts 10 lost to Souths 16
Round 12 - Sat Aug 30 - Souths 5 lost to Wests 16
Round 13 - Sat Sep 6 - St George 11 def Souths 3
Round 14 - Sat Sep 13 - Souths 12 lost to Newtown 18
Semi-finals - Sat Sep 20 - Wests 9 def Souths 5
Grand Final - Sat Oct 4 - Wests 27 def St George 2
Table
| | Team | P | W | D | L | For | Agn | Pts | Diff |
| 1 | Wests | 14 | 12 | 0 | 2 | 237 | 130 | 24 | +107 |
| 2 | Easts | 14 | 11 | 0 | 3 | 316 | 178 | 22 | +138 |
| 3 | Souths | 14 | 9 | 0 | 5 | 234 | 174 | 18 | +60 |
| 4 | St George | 14 | 6 | 2 | 6 | 161 | 151 | 14 | +10 |
| | | | | | | | | | |
| 5 | Newtown | 14 | 6 | 1 | 7 | 194 | 176 | 13 | +18 |
| 6 | Balmain | 14 | 5 | 2 | 7 | 214 | 218 | 12 | -4 |
| 7 | Norths | 14 | 2 | 1 | 11 | 164 | 289 | 5 | -125 |
| 8 | University | 14 | 2 | 0 | 12 | 117 | 321 | 4 | -204 |