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 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd6 draw
7 Na5 draw
8 Kd4 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Nd6 loss in 2 half-moves
11 Nd8 loss in 2 half-moves