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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kd1 win in 1 half-moves
4 Ka6 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kb2 loss in 1 half-moves
9 Kc2 loss in 1 half-moves
10 Kd2 loss in 1 half-moves