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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb4 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Nd6 draw
9 Nd8 draw
10 Ne5 draw
11 Ng5 draw
12 Nh6 draw
13 Kb3 loss in 6 half-moves
14 Nh8 loss in 4 half-moves