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

EGTB: loss in 5 half-moves

# move score
1 Kb7 loss in 4 half-moves
2 Kb8 loss in 4 half-moves
3 Kcc7 loss in 4 half-moves
4 Kdd7 loss in 4 half-moves
5 Kcd7 loss in 3 half-moves
6 Kdc7 loss in 3 half-moves
7 b4 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves