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

EGTB: win in 10 half-moves

# move score
1 b4 win in 9 half-moves
2 Nd4 win in 9 half-moves
3 Ka6 win in 13 half-moves
4 Ka7 win in 13 half-moves
5 Kbb7 win in 13 half-moves
6 Nd8 win in 13 half-moves
7 Kd7 win in 15 half-moves
8 Kd8 win in 15 half-moves
9 Na5 win in 15 half-moves
10 Kcc7 win in 17 half-moves
11 Nb4 win in 17 half-moves
12 Nb8 win in 21 half-moves
13 Kb8 loss in 4 half-moves
14 Kbc7 loss in 4 half-moves
15 Kc5 loss in 4 half-moves
16 Na7 loss in 4 half-moves
17 Ka5 loss in 3 half-moves
18 Kcb7 loss in 3 half-moves
19 Ne5 loss in 2 half-moves
20 Ne7 loss in 2 half-moves