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

EGTB: win in 8 half-moves

# move score
1 Kd7 win in 7 half-moves
2 Kc7 win in 9 half-moves
3 Kb7 win in 11 half-moves
4 Kd8 win in 11 half-moves
5 Kb8 win in 13 half-moves