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

EGTB: win in 10 half-moves

# move score
1 Ke7 win in 9 half-moves
2 Kc7 loss in 16 half-moves
3 Ke8 loss in 16 half-moves
4 Na7 loss in 16 half-moves
5 Nd6 loss in 16 half-moves
6 Kd7 loss in 14 half-moves
7 Nb6 loss in 2 half-moves
8 Ne7 loss in 2 half-moves