Cape Town - A second half-fight back was not enough for the Waratahs as the visiting Blues took a hard-fought 40-33 win in their Super Rugby match played in Sydney.
It was the Blues who proved the far superior team in the first half, running up a 26-0 lead thanks to tries by Rieko Ioane and Scott Scrafton.
Flyhalf Piers Francis kicked two conversions and four penalties.
In the second half, the Waratahs were much improved and scored tries through fullback Israel Folau (2), Silatolu Latu, flyhalf Bernard Foley and replacement, Paddy Ryan. Foley added four conversions.
Their fight back, however, was not enough as the Blues added two further converted tries themselves through Ioane, who scored his second as well as his brother, No 8 Akira Ioane.
Next week the Waratahs have a bye while the Blues play the Cheetahs.
Tries: Israel Folau (2), Silatolu Latu, Bernard Foley, Paddy Ryan
Conversions: Bernard Foley (4)
Tries: Rieko Ioane (2), Scott Scrafton, Akira Ioane
Conversions: Piers Francis (4)
Penalties: Piers Francis (4)
15 Israel Folau, 14 Reece Robinson, 13 Rob Horne, 12 David Horwitz, 11 Cam Clark, 10 Bernard Foley, 9 Jake Gordon, 8 Jed Holloway, 7 Michael Hooper (captain), 6 Ned Hanigan, 5 David McDuling, 4 Dean Mumm, 3 Sekope Kepu, 2 Tolu Latu, 1Tom Robertson
Substitutes 16 Hugh Roach, 17 Paddy Ryan, 18 Angus Taavao, 19 Will Skelton, 20 Michael Wells, 21 Nick Phipps, 22 Bryce Hegarty, 23 Irae Simone
15 Michael Collins, 14 Matt Duffie, 13 George Moala, 12 Sonny Bill Williams, 11 Rieko Ioane, 10 Piers Francis, 9 Augustine Pulu, 8 Akira Ioane, 7 Blake Gibson, 6 Steven Luatua, 5 Scott Scrafton, 4 Gerard Cowley-Tuioti, 3 Charlie Faumuina, 2 James Parsons (captain), 1 Pauliasi Manu
Substitutes: 16 Matt Moulds, 17 Ofa Tu’ungafasi, 18 Sione Mafileo, 19 Leighton Price, 20 Murphy Taramai, 21 Billy Guyton, 22 Bryn Gatland, 23 Melani Nanai