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

EGTB: loss in 55 half-moves

# move score
1 Kc4 loss in 54 half-moves
2 Kc6 loss in 52 half-moves
3 Kc5 loss in 50 half-moves
4 Ka4 loss in 48 half-moves
5 Kb4 loss in 48 half-moves
6 Ka5 loss in 42 half-moves
7 Ka6 loss in 42 half-moves
8 Kb6 loss in 42 half-moves