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

EGTB: win in 12 half-moves

# move score
1 b4 win in 11 half-moves
2 Ke6 win in 11 half-moves
3 Ke7 win in 11 half-moves
4 Kb6 win in 13 half-moves
5 Kd4 win in 13 half-moves
6 Kd8 win in 15 half-moves
7 Kdd6 win in 15 half-moves
8 Na6 win in 15 half-moves
9 Na8 win in 15 half-moves
10 Kcc6 win in 17 half-moves
11 Ke8 win in 17 half-moves
12 Kb4 loss in 4 half-moves
13 Kc4 loss in 4 half-moves
14 Kc8 loss in 4 half-moves
15 Kcd6 loss in 4 half-moves
16 Kd5 loss in 4 half-moves
17 Nd5 loss in 4 half-moves
18 Ne6 loss in 4 half-moves
19 Ne8 loss in 4 half-moves
20 Kdc6 loss in 3 half-moves