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

EGTB: loss in 5 half-moves

# move score
1 Kb6 loss in 4 half-moves
2 Kb7 loss in 4 half-moves
3 Kb8 loss in 4 half-moves
4 Kc6 loss in 4 half-moves
5 Kcc8 loss in 4 half-moves
6 Kdd7 loss in 4 half-moves
7 Ke7 loss in 4 half-moves
8 Ke8 loss in 4 half-moves
9 Kcd7 loss in 3 half-moves
10 Kd6 loss in 3 half-moves
11 Kdc8 loss in 3 half-moves
12 b3 loss in 2 half-moves