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 Ka8 win in 15 half-moves
3 Kd6 win in 15 half-moves
4 Ka7 win in 17 half-moves
5 Kd7 win in 17 half-moves
6 Kbb7 win in 19 half-moves
7 Kc5 win in 19 half-moves
8 Na6 win in 19 half-moves
9 Na8 win in 19 half-moves
10 Kb6 loss in 4 half-moves
11 Kc8 loss in 4 half-moves
12 Kd5 loss in 4 half-moves
13 Kcb7 loss in 3 half-moves
14 Nd5 loss in 2 half-moves
15 Ne6 loss in 2 half-moves
16 Ne8 loss in 2 half-moves