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 Rb3 win in 16 half-moves
3 Ra1 draw
4 Rb2 draw
5 Rc1 draw
6 Rb4 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rh1 loss in 2 half-moves