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

EGTB: loss in 5 half-moves

# move score
1 b5 loss in 4 half-moves
2 Kab7 loss in 4 half-moves
3 Kab8 loss in 4 half-moves
4 Kcb8 loss in 4 half-moves
5 Ka6 loss in 3 half-moves
6 Kc6 loss in 3 half-moves
7 Kc8 loss in 3 half-moves
8 Kcb7 loss in 3 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves