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 Ka5 loss in 4 half-moves
3 Kb4 loss in 4 half-moves
4 Kb5 loss in 4 half-moves
5 Kc7 loss in 4 half-moves
6 Kc8 loss in 4 half-moves
7 Kd7 loss in 4 half-moves
8 Ka3 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves