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

EGTB: loss in 5 half-moves

# move score
1 b4 loss in 4 half-moves
2 Kb3 loss in 4 half-moves
3 Kb4 loss in 4 half-moves
4 Kc4 loss in 4 half-moves
5 Kd3 loss in 4 half-moves
6 Kd4 loss in 4 half-moves
7 Kd7 loss in 4 half-moves
8 Kc7 loss in 3 half-moves
9 Kc8 loss in 3 half-moves
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves