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

EGTB: win in 16 half-moves

# move score
1 b5 win in 15 half-moves
2 Kb5 win in 15 half-moves
3 Kd8 win in 25 half-moves
4 Ka5 loss in 4 half-moves
5 Ka7 loss in 4 half-moves
6 Kd7 loss in 4 half-moves
7 Ke7 loss in 4 half-moves
8 Kf7 loss in 4 half-moves
9 Kf8 loss in 3 half-moves
10 Nd6 loss in 3 half-moves
11 Nd8 loss in 3 half-moves
12 Na5 loss in 2 half-moves
13 Nc5 loss in 2 half-moves