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

EGTB: loss in 5 half-moves

# move score
1 Ka1 loss in 4 half-moves
2 Kd1 loss in 4 half-moves
3 Ka2 loss in 2 half-moves
4 Kbb2 loss in 2 half-moves
5 Kbc2 loss in 2 half-moves
6 Kcb2 loss in 2 half-moves
7 Kcc2 loss in 2 half-moves
8 Kd2 loss in 2 half-moves