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

EGTB: win in 18 half-moves

# move score
1 Kc6 win in 17 half-moves
2 b5 win in 19 half-moves
3 Kb7 loss in 4 half-moves
4 Kb8 loss in 4 half-moves
5 Kcc8 loss in 4 half-moves
6 Kcd7 loss in 4 half-moves
7 Kd6 loss in 4 half-moves
8 Kdd7 loss in 4 half-moves
9 Ke7 loss in 4 half-moves
10 Ke8 loss in 4 half-moves
11 Kdc8 loss in 3 half-moves