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

EGTB: loss in 53 half-moves

# move score
1 Kc4 loss in 52 half-moves
2 Kc5 loss in 52 half-moves
3 Kb5 loss in 48 half-moves
4 Kc3 loss in 48 half-moves
5 Kb3 loss in 46 half-moves
6 Ka5 loss in 42 half-moves
7 Ka3 loss in 40 half-moves
8 Ka4 loss in 40 half-moves