As far as I remember, this line was introduced in elite play by legendary GM Peter Leko in his game against GM Garry Kasparov in 1999.
1. e2e4  1... c7c5 Ju plays the Sicilian Defense for the first time in the match. 2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... b8c6  6. d4c6 This is the critical move to exploit this move order. 6... b7c6  7. e4e5  7... f6d5  8. c3e4 