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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kd7 loss in 58 half-moves
3 Ke7 loss in 52 half-moves
4 Ke8 loss in 52 half-moves
5 Kc7 loss in 2 half-moves