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 Kd5 win in 15 half-moves
3 Kd6 win in 15 half-moves
4 Kd7 win in 15 half-moves
5 Kb7 loss in 8 half-moves
6 Ka4 loss in 4 half-moves
7 Kab6 loss in 4 half-moves
8 Na8 loss in 4 half-moves
9 Ka6 loss in 3 half-moves
10 Kb4 loss in 3 half-moves
11 Kc5 loss in 3 half-moves
12 Kcb6 loss in 3 half-moves
13 Na6 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