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

EGTB: win in 4 half-moves

# move score
1 Nc6 win in 3 half-moves
2 Nc8 win in 3 half-moves
3 Kc7 win in 21 half-moves
4 Kc8 win in 21 half-moves
5 Nb5 draw
6 Ka8 loss in 14 half-moves
7 Kb7 loss in 14 half-moves