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

EGTB: loss in 3 half-moves

# move score
1 Kb7 loss in 2 half-moves
2 Kb8 loss in 2 half-moves
3 Kcd7 loss in 2 half-moves
4 Kcd8 loss in 2 half-moves
5 b4 loss in 1 half-moves
6 Kc7 loss in 1 half-moves
7 Ke7 loss in 1 half-moves
8 Ked7 loss in 1 half-moves
9 Ked8 loss in 1 half-moves
10 Kf7 loss in 1 half-moves
11 Kf8 loss in 1 half-moves