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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kc1 draw
3 Kc3 draw
4 Kd1 draw
5 Kd2 draw
6 Nd3 draw
7 Nf3 draw
8 Ng2 draw
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kd3 loss in 2 half-moves