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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Ka4 loss in 3 half-moves
3 b3 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Ka6 loss in 1 half-moves
13 Kc6 loss in 1 half-moves