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

EGTB: loss in 3 half-moves

# move score
1 Ka7 loss in 2 half-moves
2 Kb7 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Ke7 loss in 1 half-moves