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

EGTB: loss in 13 half-moves

# move score
1 Kc5 loss in 12 half-moves
2 Kc6 loss in 12 half-moves
3 Kc4 loss in 10 half-moves
4 Kd4 loss in 10 half-moves
5 Kd6 loss in 10 half-moves
6 Ke4 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves