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

EGTB: loss in 9 half-moves

# move score
1 Kb4 loss in 8 half-moves
2 b4 loss in 4 half-moves
3 Kb7 loss in 4 half-moves
4 Kb8 loss in 4 half-moves
5 Kc5 loss in 4 half-moves
6 Kc7 loss in 4 half-moves
7 Kd4 loss in 4 half-moves
8 Kd5 loss in 4 half-moves
9 Kd7 loss in 4 half-moves
10 Kd8 loss in 4 half-moves
11 Kb3 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves