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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kc7 win in 1 half-moves
3 Nc1 win in 1 half-moves
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Nb4 loss in 1 half-moves
8 Nc3 loss in 1 half-moves