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

EGTB: win in 2 half-moves

# move score
1 Kc8 win in 1 half-moves
2 b5 loss in 2 half-moves
3 Kaa6 loss in 2 half-moves
4 Kba6 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kaa8 loss in 1 half-moves
8 Kab8 loss in 1 half-moves
9 Kba8 loss in 1 half-moves
10 Kbb8 loss in 1 half-moves