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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ka7 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kb7 win in 1 half-moves
5 Kbc7 win in 1 half-moves
6 Kbc8 win in 1 half-moves
7 Kd6 win in 1 half-moves
8 Kd8 win in 1 half-moves
9 Kdc7 win in 1 half-moves
10 Kdc8 win in 1 half-moves
11 Ke6 win in 1 half-moves
12 Ke7 win in 1 half-moves
13 Ke8 win in 1 half-moves
14 Nd8 win in 1 half-moves
15 Ne5 win in 1 half-moves
16 Ng5 win in 1 half-moves
17 Nh6 win in 1 half-moves
18 Nh8 win in 1 half-moves
19 Kc6 loss in 1 half-moves
20 Nd6 loss in 1 half-moves