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

EGTB: win in 18 half-moves

# move score
1 K7b7 win in 17 half-moves
2 K8b8 win in 17 half-moves
3 b5 loss in 4 half-moves
4 K7b8 loss in 4 half-moves
5 Ka6 loss in 4 half-moves
6 Nb4 loss in 4 half-moves
7 Nd4 loss in 4 half-moves
8 Nd8 loss in 4 half-moves
9 K8b7 loss in 3 half-moves
10 Na5 loss in 3 half-moves
11 Nb8 loss in 3 half-moves
12 Ne5 loss in 2 half-moves
13 Ne7 loss in 2 half-moves