Click on the third or sixth rank to set the en passant target square.

EGTB: win in 8 half-moves

# move score
1 b6 win in 7 half-moves
2 Ra2 draw
3 Rb1 draw
4 Rb3 draw
5 Rc2 draw
6 Rb4 loss in 2 half-moves
7 Rd2 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rg2 loss in 2 half-moves
11 Rh2 loss in 2 half-moves