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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka8 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Nb1 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Ne4 loss in 2 half-moves
9 Nf1 loss in 2 half-moves
10 Nb3 loss in 1 half-moves
11 Nf3 loss in 1 half-moves