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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Ka4 win in 1 half-moves
3 Kb4 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Ka6 loss in 1 half-moves
6 Kc4 loss in 1 half-moves
7 Kc5 loss in 1 half-moves
8 Kc6 loss in 1 half-moves
9 Kd4 loss in 1 half-moves
10 Kd6 loss in 1 half-moves
11 Ke4 loss in 1 half-moves
12 Ke5 loss in 1 half-moves
13 Ke6 loss in 1 half-moves
14 Na6 loss in 1 half-moves
15 Nc6 loss in 1 half-moves
16 Nd7 loss in 1 half-moves