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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Kb7 loss in 16 half-moves
4 Ka7 loss in 12 half-moves
5 Ka8 loss in 12 half-moves