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

EGTB: win in 14 half-moves

# move score
1 b4 win in 13 half-moves
2 Kc7 win in 13 half-moves
3 Kc8 win in 13 half-moves
4 Kd4 win in 13 half-moves
5 Ke5 win in 13 half-moves
6 Nc5 win in 13 half-moves
7 Ka7 win in 15 half-moves
8 Kc4 win in 15 half-moves
9 Ke6 win in 15 half-moves
10 Ka8 win in 17 half-moves
11 Kb7 win in 17 half-moves
12 Kd6 win in 17 half-moves
13 Ke4 win in 17 half-moves
14 Kc5 win in 19 half-moves
15 Kc6 win in 19 half-moves
16 Nc7 loss in 4 half-moves
17 Nb4 loss in 2 half-moves