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

EGTB: win in 16 half-moves

# move score
1 Kd6 win in 15 half-moves
2 Kd8 win in 15 half-moves
3 Ka6 win in 19 half-moves
4 Kbb6 win in 19 half-moves
5 Kbb8 win in 19 half-moves
6 Kcc6 win in 19 half-moves
7 Kcc8 win in 19 half-moves
8 b4 loss in 4 half-moves
9 Ka7 loss in 4 half-moves
10 Kbc6 loss in 4 half-moves
11 Kcb6 loss in 4 half-moves
12 Kcb8 loss in 4 half-moves
13 Kd7 loss in 4 half-moves
14 Nb6 loss in 4 half-moves
15 Kbc8 loss in 3 half-moves