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

EGTB: loss in 29 half-moves

# move score
1 Kc6 loss in 28 half-moves
2 Ka6 loss in 24 half-moves
3 Kb6 loss in 24 half-moves
4 Ka7 loss in 22 half-moves
5 Kc7 loss in 22 half-moves
6 Kc8 loss in 16 half-moves
7 Ka8 loss in 12 half-moves
8 Kb8 loss in 12 half-moves