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

EGTB: loss in 19 half-moves

# move score
1 Kb6 loss in 18 half-moves
2 Ka6 loss in 12 half-moves
3 Ka7 loss in 12 half-moves
4 Ka8 loss in 4 half-moves
5 Kb8 loss in 4 half-moves
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves