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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Kb5 win in 1 half-moves
4 Nb6 win in 1 half-moves
5 Nc7 loss in 22 half-moves
6 Ka5 loss in 20 half-moves
7 Ka3 loss in 2 half-moves