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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb5 draw
6 Nf6 draw
7 Nf8 draw
8 Ng5 draw
9 Kb3 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves