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

EGTB: loss in 5 half-moves

# move score
1 Kbb7 loss in 4 half-moves
2 Kcc7 loss in 4 half-moves
3 Kd7 loss in 4 half-moves
4 Kd8 loss in 4 half-moves
5 Ka7 loss in 3 half-moves
6 Kbc7 loss in 3 half-moves
7 Kcb7 loss in 3 half-moves
8 Nc7 loss in 3 half-moves
9 b5 loss in 2 half-moves