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

EGTB: win in 16 half-moves

# move score
1 Kb4 win in 15 half-moves
2 Kab5 loss in 5 half-moves
3 Kd6 loss in 5 half-moves
4 b5 loss in 4 half-moves
5 Kb7 loss in 4 half-moves
6 Kc7 loss in 4 half-moves
7 Kd5 loss in 4 half-moves
8 Kd7 loss in 4 half-moves
9 Ka6 loss in 3 half-moves
10 Kc5 loss in 3 half-moves
11 Kcb5 loss in 3 half-moves
12 Nc5 loss in 3 half-moves
13 Nb2 loss in 2 half-moves
14 Nc3 loss in 2 half-moves