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

EGTB: loss in 51 half-moves

# move score
1 Kf5 loss in 50 half-moves
2 Kg5 loss in 50 half-moves
3 Ke5 loss in 48 half-moves
4 Ke6 loss in 48 half-moves
5 Kg6 loss in 48 half-moves
6 Kg7 loss in 46 half-moves
7 Ke7 loss in 44 half-moves
8 Kf7 loss in 44 half-moves