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

EGTB: win in 4 half-moves

# move score
1 Nc7 win in 3 half-moves
2 Ka7 draw
3 Kb5 draw
4 Kb7 draw
5 Ka5 loss in 6 half-moves
6 Ka6 loss in 4 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves