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

EGTB: loss in 51 half-moves

# move score
1 Kb2 loss in 50 half-moves
2 Kb4 loss in 50 half-moves
3 Kc2 loss in 50 half-moves
4 Kc4 loss in 50 half-moves
5 Kd2 loss in 50 half-moves
6 Kd4 loss in 50 half-moves
7 Kd3 loss in 48 half-moves
8 Kb3 loss in 46 half-moves