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

EGTB: loss in 13 half-moves

# move score
1 Ke7 loss in 12 half-moves
2 Kf7 loss in 12 half-moves
3 Kd6 loss in 10 half-moves
4 Kd7 loss in 10 half-moves
5 Ke5 loss in 10 half-moves
6 Kf6 loss in 10 half-moves
7 Kd5 loss in 8 half-moves
8 Kf5 loss in 8 half-moves