A Group 1 mission is on the cards for Satono Invader if she races well at Royal Randwick on Saturday. The three-year-old filly will race in blinkers in the Group 3 Adrian Knox Stakes (2000m), the traditional lead-up to the $1m Australian Oaks (2400m) at the same track a week later. “Satono Invader has been entered for the Oaks, and I will definitely consider backing her up if she goes well on Saturday,” leading Newcastle trainer Kris Lees said this morning. “I thought she ran