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 Kd7 loss in 50 half-moves
4 Ke7 loss in 42 half-moves
5 Ke8 loss in 42 half-moves