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

EGTB: win in 18 half-moves

# move score
1 b5 win in 17 half-moves
2 Kd7 win in 17 half-moves
3 Kc4 win in 19 half-moves
4 Kd8 win in 23 half-moves
5 Kb4 loss in 4 half-moves
6 Kb7 loss in 4 half-moves
7 Kb8 loss in 4 half-moves
8 Kc6 loss in 4 half-moves
9 Kc7 loss in 4 half-moves
10 Kd4 loss in 4 half-moves
11 Kd5 loss in 4 half-moves
12 Kd6 loss in 4 half-moves
13 Nc7 loss in 4 half-moves
14 Kb5 loss in 3 half-moves