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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Kb5 win in 1 half-moves
4 Kb7 win in 1 half-moves
5 Kb8 win in 1 half-moves
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ka7 loss in 2 half-moves