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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Nc3 draw
3 Kb2 loss in 2 half-moves
4 Nb4 loss in 2 half-moves
5 Nc1 loss in 2 half-moves