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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Ka6 loss in 1 half-moves
5 Kb7 loss in 1 half-moves
6 Kb8 loss in 1 half-moves
7 Kc7 loss in 1 half-moves
8 Kc8 loss in 1 half-moves
9 Kd7 loss in 1 half-moves
10 Ke7 loss in 1 half-moves
11 Ke8 loss in 1 half-moves