| 24-Jun-1988,Belmore | |||||||
| St George 18 | Manly 34 | ||||||
| Colin Fraser | 1 | Des Hasler | 2 | ||||
| Ricky Walford | 2 | 3/3 | Joe Ropati | 1 | Greg Austin | 1 | Charlie Haggett | 1 | Stuart Davis | 1 | Tim Dwyer | 5/7 |
| 25-Jun-1988,Penrith | |||||||
| Penrith 22 | Souths 14 | ||||||
| Paul Smith | 1 | Bruce Longbottom | 1 | ||||
| David Greene | 1 | Michael Blake | 1 | ||||
| Neil Baker | 6/8 | 2 | Mark Ellison | 3/5 | |||
| 26-Jun-1988,Seagulls | |||||||
| Gold Coast 13 | Parramatta 10 | ||||||
| Scott Mieni | 1 | Eric Grothe | 1 | ||||
| Billy Johnstone | 1 | Geoff Bugden | 1 | ||||
| Mike Eden | 2/3 | 1 | Glen Liddiard | 1/1 | Steve Ella | 0/2 | |
| 26-Jun-1988,Lang | |||||||
| Brisbane 10 | Canterbury 25 | ||||||
| Brett Le Man | 1 | Joe Thomas | 1 | ||||
| Kerrod Walters | 1 | Robin Thorne | 1 | ||||
| Terry Matterson | 1/2 | Glen Nissen | 1 | Paul Langmack | 1 | Terry Lamb | 4/7 | 1 |
| 26-Jun-1988,Seiffert | |||||||
| Canberra 30 | Newcastle 12 | ||||||
| Craig Bellamy | 1 | Jeff Doyle | 2 | ||||
| Ivan Henjak | 1 | Troy Clarke | 1/1 | ||||
| Paul Martin | 1 | Michael McKiernan | 1/1 | ||||
| Laurie Daley | 1 | ||||||
| Mal Meninga | 1 | 5/7 | |||||
| 26-Jun-1988,Wollongong | |||||||
| Illawarra 12 | Balmain 24 | ||||||
| Alan McIndoe | 1 | Darryl Powell | 1 | ||||
| Greg Carberry | 1 | 2/3 | Gary Freeman | 1 | Michael Neil | 1 | John Davidson | 1 | Ross Conlon | 4/6 |
| 26-Jun-1988,North_Sydney | |||||||
| Norths 12 | Cronulla 16 | ||||||
| Adrian Toole | 1 | Barry Russell | 1 | ||||
| Brett French | 1 | Mark McGaw | 1 | ||||
| John Dorahy | 2/2 | Sean Watson | 2/4 | Alan Wilson | 2/3 | ||
| 26-Jun-1988,Campbelltown | |||||||
| Wests 20 | Easts 20 | ||||||
| Trevor Cogger | 2 | John Mackay | 1 | ||||
| David Gallagher | 1 | David Trewhella | 1 | ||||
| Ian Schubert | 4/5 | Laurie Spina | 1 | Dean Bell | 1 | David Smith | 2/5 |