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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Kc6 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Ke6 win in 1 half-moves
6 b5 loss in 2 half-moves
7 Ka6 loss in 1 half-moves
8 Kb7 loss in 1 half-moves
9 Kc7 loss in 1 half-moves
10 Kc8 loss in 1 half-moves
11 Kd8 loss in 1 half-moves
12 Ke7 loss in 1 half-moves
13 Ke8 loss in 1 half-moves