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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 draw
3 Nc3 draw
4 Nc5 draw
5 Nb6 loss in 18 half-moves
6 Ka7 loss in 4 half-moves
7 Nb2 loss in 4 half-moves