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

EGTB: loss in 13 half-moves

# move score
1 Kc7 loss in 12 half-moves
2 Kb6 loss in 10 half-moves
3 Kb8 loss in 10 half-moves
4 Kc6 loss in 10 half-moves
5 Kc8 loss in 10 half-moves
6 Ka6 loss in 8 half-moves
7 Ka8 loss in 8 half-moves
8 Ka7 loss in 6 half-moves