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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Kb5 win in 7 half-moves
3 Kb6 win in 7 half-moves
4 Kc4 win in 7 half-moves
5 Kc6 win in 7 half-moves
6 Na5 win in 9 half-moves
7 Kd4 win in 11 half-moves
8 Kd5 win in 11 half-moves
9 Kd6 win in 11 half-moves
10 Na1 win in 11 half-moves
11 Nc1 win in 11 half-moves
12 Nd2 loss in 2 half-moves
13 Nd4 loss in 2 half-moves