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

EGTB: loss in 21 half-moves

# move score
1 Ke7 loss in 20 half-moves
2 Kd8 loss in 8 half-moves
3 Ke8 loss in 6 half-moves
4 Kc6 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Ke6 loss in 2 half-moves