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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka4 draw
3 Nf6 draw
4 Nf8 draw
5 Ka3 loss in 12 half-moves
6 Ka2 loss in 4 half-moves
7 Kb2 loss in 2 half-moves
8 Ng5 loss in 2 half-moves
9 Kc2 loss in 1 half-moves
10 Kc3 loss in 1 half-moves
11 Kc4 loss in 1 half-moves