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

EGTB: win in 8 half-moves

# move score
1 Kc2 win in 7 half-moves
2 Kd7 win in 9 half-moves
3 b3 win in 13 half-moves
4 Kb7 win in 13 half-moves
5 Kb8 win in 15 half-moves
6 Kd8 win in 17 half-moves
7 Kb2 loss in 4 half-moves
8 Kb3 loss in 4 half-moves
9 Kd2 loss in 4 half-moves
10 Kd3 loss in 4 half-moves
11 Kc7 loss in 3 half-moves
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Nb6 loss in 2 half-moves
15 Nc7 loss in 2 half-moves