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 Kc4 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Na4 win in 3 half-moves
6 Kc2 draw
7 Kb3 loss in 20 half-moves
8 Kd4 loss in 2 half-moves
9 Nc4 loss in 2 half-moves
10 Nd1 loss in 2 half-moves
11 Nd3 loss in 2 half-moves