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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 b5 win in 7 half-moves
4 Ka5 win in 7 half-moves
5 Kb5 draw
6 Kb7 draw
7 Kc5 draw
8 Ke6 loss in 4 half-moves
9 Nc5 loss in 4 half-moves
10 Kc6 loss in 3 half-moves
11 Kd5 loss in 3 half-moves
12 Kd7 loss in 3 half-moves
13 Ke5 loss in 3 half-moves
14 Ke7 loss in 3 half-moves
15 Nc3 loss in 2 half-moves
16 Nd2 loss in 2 half-moves
17 Nf2 loss in 2 half-moves
18 Nf6 loss in 2 half-moves
19 Ng3 loss in 2 half-moves
20 Ng5 loss in 2 half-moves