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

EGTB: loss in 11 half-moves

# move score
1 Kb1 loss in 10 half-moves
2 Kc1 loss in 8 half-moves
3 Kd1 loss in 8 half-moves
4 Kb2 loss in 2 half-moves
5 Kb3 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves