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

EGTB: win in 18 half-moves

# move score
1 Ka5 win in 17 half-moves
2 K6b7 win in 19 half-moves
3 b5 loss in 4 half-moves
4 K6a7 loss in 4 half-moves
5 Kb5 loss in 4 half-moves
6 Nc6 loss in 4 half-moves
7 Nd7 loss in 4 half-moves
8 K8a7 loss in 3 half-moves
9 K8b7 loss in 3 half-moves
10 Kb8 loss in 3 half-moves
11 Nc4 loss in 2 half-moves
12 Nd3 loss in 2 half-moves
13 Nf3 loss in 2 half-moves
14 Nf7 loss in 2 half-moves
15 Ng4 loss in 2 half-moves
16 Ng6 loss in 2 half-moves