"We created a lot of opportunities against New Zealand. We're determined to turn them into points this weekend."
Hadden said Strokosch was not too far away from a place in the starting line-up.
"Strokosch can consider himself very unlucky," added the coach.
"But Jason is way ahead of Al in terms of his understanding of the line-out."
There was no place in the pool for Simon Taylor, who was forced to withdraw from the starting line-up on Saturday with a calf strain.
Scotland: Chris Paterson, Thom Evans, Ben Cairns, Nick De Luca, Rory Lamont, Phil Godman, Mike Blair (capt), Allan Jacobsen, Ross Ford, Euan Murray, Nathan Hines, Jim Hamilton, Jason White, John Barclay, Allister Hogg. Replacements: Dougie Hall, Alasdair Dickinson, Matt Mustchin, Scott Gray, Rory Lawson, Dan Parks, Hugo Southwell.
South Africa: Conrad Jantjes, J P Pietersen, Adi Jacobs, Jean de Villiers, Bryan Habana, Ruan Pienaar, Ricky Januarie; Tendai Mtawarira, Bismarck de Plessis, John Smit (capt), Bakkies Botha, Victor Matfield, Schalk Burger, Juan Smith, Pierre Spies. Replacements: Brian Mujati, Gurthro Steenkamp, Andries Bekker, Ryan Kankowski, Danie Rossouw, Francois Steyn, Jaque Fourie.
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