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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kc7 win in 1 half-moves
4 Kd7 win in 1 half-moves
5 Kd8 win in 1 half-moves
6 Na6 win in 1 half-moves
7 Nc6 win in 1 half-moves
8 Nd7 win in 1 half-moves