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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Kb6 draw
4 Na7 draw
5 Nd6 draw
6 Kb7 loss in 2 half-moves
7 Nb6 loss in 2 half-moves
8 Ne7 loss in 2 half-moves
9 Ka7 loss in 1 half-moves