Cape Town - The Waratahs easily saw off the threat from the woeful Reds to secure a comfortable Super Rugby 31-0 win on Saturday at the Allianz Stadium.
Needing a win to secure second place on the combined log and a home semi-final, the Waratahs were never put in any danger of losing the all-Australian contest despite a dull first half.
The home side led 3-0 at the break through a 17th minute penalty from flyhalf Bernard Foley.
The 'Tahs stepped up a gear in the second half to run in four unanswered tries as the hapless Reds struggled to cope with the attacking threat posed by the men from Sydney.
Forwards Dave Dennis and Jaques Potgieter scored a try apiece before Brendan McKibbin ended the match as a contest in the 67th minute after a some slick handling from the Waratahs.
Dean Mumm scored the home side's bonus point try on his return to the side in the 72nd minute.
Mumm, the former Wallabies lock, spent several seasons with Exeter in England but has returned home to try force his way into the national team ahead of the Rugby World Cup later this year.
The Reds finally troubled the scorers in the 77th minute when Quade Cooper scored an unconverted try in the corner.
The result means the South African derby between the Sharks and the Stormers later on Saturday can have no effect on the play-off fixtures.
The Stormers will face the Brumbies at Newlands while the Waratahs will now prepare for their home semi-final in a fortnight.
Tries: 52' Dave Dennis, 57' Jaques Potgieter, 67' Brendan McKibbin, 72' Dean Mumm
Conversion: 53' Bernard Foley, 58' Bernard Foley, 69' Bernard Foley, 73' Bernard Foley
Penalties: 17' Bernard Foley
Tries: 77' Quade Cooper
15 Israel Folau, 14 Taqele Naiyaravoro, 13 Adam Ashley-Cooper, 12 Kurtley Beale, 11 Matt Carraro, 10 Bernard Foley, 9 Nick Phipps, 8 Wycliff Palu, 7 Michael Hooper, 6 Jacques Potgieter, 5 David Dennis (captain), 4 Will Skelton, 3 Sekope Kepu, 2 Tatafu Polota-Nau, 1 Benn Robinson
Substitutes: 16 Hugh Roach, 17 Jeremy Tilse, 18 Paddy Ryan, 19 Mitchell Chapman, 20 Dean Mumm, 21 Stephen Hoiles, 22 Brendan McKibbin, 23 Peter Betham
15 James O’Connor, 14 Chris Kuridrani, 13 Karmichael Hunt, 12 Samu Kerevi, 11 Lachie Turner, 10 Quade Cooper, 9 Will Genia, 8 Jake Schatz, 7 Liam Gill, 6 Adam Thomson, 5 James Horwill, 4 Rob Simmons, 3 Greg Holmes, 2 James Hanson, 1 James Slipper (captain)
Substitutes (two players to be omitted): 16 Saia Fainga’a, 17 Pettowa Paraka, 18 Sam Talakai, 19 Ed O’Donoghue, 20 Beau Robinson, 21 Hendrik Tui, 22 Nick Frisby, 23 Jake McIntyre, 24 Ben Tapuai, 25 Jamie-Jerry Taulagi