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

EGTB: loss in 25 half-moves

# move score
1 Kf5 loss in 24 half-moves
2 Kf7 loss in 24 half-moves
3 Kf6 loss in 22 half-moves
4 Kg5 loss in 22 half-moves
5 Kh5 loss in 20 half-moves
6 Kh6 loss in 20 half-moves
7 Kg7 loss in 18 half-moves
8 Kh7 loss in 18 half-moves