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

EGTB: win in 2 half-moves

# move score
1 b6 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rh1 loss in 4 half-moves
4 Ra1 loss in 2 half-moves
5 Rb2 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rc1 loss in 2 half-moves
8 Rd1 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rg1 loss in 2 half-moves