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

EGTB: loss in 17 half-moves

# move score
1 Kb6 loss in 16 half-moves
2 Kc7 loss in 16 half-moves
3 Kc6 loss in 14 half-moves
4 Ka6 loss in 10 half-moves
5 Ka7 loss in 10 half-moves
6 Ka8 loss in 10 half-moves
7 Kb8 loss in 10 half-moves
8 Kc8 loss in 10 half-moves