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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Kb5 loss in 2 half-moves
3 Kc5 loss in 2 half-moves
4 Kd6 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Na5 loss in 2 half-moves
7 Nc5 loss in 2 half-moves
8 Nd6 loss in 2 half-moves
9 Nd8 loss in 2 half-moves
10 Kb6 loss in 1 half-moves
11 Kc7 loss in 1 half-moves