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

EGTB: loss in 7 half-moves

# move score
1 Kc5 loss in 6 half-moves
2 Ka5 loss in 4 half-moves
3 Kc4 loss in 4 half-moves
4 Ka4 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc6 loss in 2 half-moves