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

EGTB: win in 20 half-moves

# move score
1 b5 win in 19 half-moves
2 Nc7 win in 21 half-moves
3 Ka6 win in 27 half-moves
4 Kbb8 loss in 6 half-moves
5 Kc6 loss in 4 half-moves
6 Kcc7 loss in 4 half-moves
7 Kd7 loss in 4 half-moves
8 Kd8 loss in 4 half-moves
9 Ka7 loss in 3 half-moves
10 Kbc7 loss in 3 half-moves
11 Kcb8 loss in 3 half-moves