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

EGTB: win in 2 half-moves

# move score
1 K7b8 win in 1 half-moves
2 b5 loss in 1 half-moves
3 K7b7 loss in 1 half-moves
4 K8b7 loss in 1 half-moves
5 K8b8 loss in 1 half-moves
6 Nb4 loss in 1 half-moves
7 Nb8 loss in 1 half-moves
8 Nc5 loss in 1 half-moves
9 Nc7 loss in 1 half-moves