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

EGTB: win in 16 half-moves

# move score
1 b4 win in 15 half-moves
2 Ka6 win in 17 half-moves
3 Kc8 win in 17 half-moves
4 Kd7 win in 17 half-moves
5 Kd8 win in 17 half-moves
6 Ka5 loss in 4 half-moves
7 Ka7 loss in 4 half-moves
8 Kb8 loss in 4 half-moves
9 Kbb7 loss in 4 half-moves
10 Kbc6 loss in 4 half-moves
11 Kc5 loss in 4 half-moves
12 Kcb7 loss in 4 half-moves
13 Kd6 loss in 4 half-moves
14 Kcc6 loss in 3 half-moves