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

EGTB: loss in 55 half-moves

# move score
1 Kb4 loss in 54 half-moves
2 Kd4 loss in 54 half-moves
3 Kc4 loss in 52 half-moves
4 Kc2 loss in 46 half-moves
5 Kd2 loss in 46 half-moves
6 Kd3 loss in 46 half-moves
7 Kb2 loss in 44 half-moves
8 Kb3 loss in 44 half-moves