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

EGTB: win in 10 half-moves

# move score
1 Kb4 win in 9 half-moves
2 Kc5 draw
3 Kd3 draw
4 Na3 draw
5 Na7 draw
6 Nc3 draw
7 Nc7 draw
8 Nd4 draw
9 Nd6 draw
10 Kb3 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kc3 loss in 1 half-moves
13 Kd4 loss in 1 half-moves