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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rh7 win in 1 half-moves
3 Rd7 win in 3 half-moves
4 Kb6 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Ra8 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Rf7 loss in 2 half-moves
11 Rg7 loss in 2 half-moves
12 Ka5 loss in 1 half-moves