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

EGTB: loss in 37 half-moves

# move score
1 Ka6 loss in 36 half-moves
2 Kb6 loss in 36 half-moves
3 Ka7 loss in 30 half-moves
4 Ka8 loss in 24 half-moves
5 Kb8 loss in 24 half-moves
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves