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

EGTB: loss in 27 half-moves

# move score
1 Kb4 loss in 26 half-moves
2 Kc4 loss in 26 half-moves
3 Kc6 loss in 26 half-moves
4 Ka6 loss in 24 half-moves
5 Kb6 loss in 24 half-moves
6 Kc5 loss in 24 half-moves
7 Ka5 loss in 22 half-moves
8 Ka4 loss in 14 half-moves