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

EGTB: loss in 53 half-moves

# move score
1 Kf5 loss in 52 half-moves
2 Kf6 loss in 52 half-moves
3 Kg5 loss in 52 half-moves
4 Kh5 loss in 50 half-moves
5 Kf7 loss in 48 half-moves
6 Kg7 loss in 48 half-moves
7 Kh6 loss in 48 half-moves
8 Kh7 loss in 48 half-moves