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 Na1 win in 9 half-moves
3 Ka6 win in 11 half-moves
4 Kcc5 win in 11 half-moves
5 Na5 loss in 4 half-moves
6 Ka5 loss in 3 half-moves
7 Kbc5 loss in 3 half-moves
8 Ka7 loss in 2 half-moves
9 Kbb7 loss in 2 half-moves
10 Kbc7 loss in 2 half-moves
11 Kcb7 loss in 2 half-moves
12 Kcc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Nc1 loss in 2 half-moves
17 Nc5 loss in 2 half-moves
18 Nd2 loss in 2 half-moves
19 Nd4 loss in 2 half-moves