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

EGTB: win in 10 half-moves

# move score
1 b5 win in 9 half-moves
2 Ka5 draw
3 Kab7 draw
4 Kb5 draw
5 Kaa7 loss in 4 half-moves
6 Ka8 loss in 3 half-moves
7 Kba7 loss in 3 half-moves
8 Kbb7 loss in 3 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Ne6 loss in 2 half-moves
12 Ne8 loss in 2 half-moves
13 Nf5 loss in 2 half-moves
14 Nh5 loss in 2 half-moves