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

EGTB: loss in 3 half-moves

# move score
1 b4 loss in 2 half-moves
2 Kb4 loss in 2 half-moves
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 K5b6 loss in 1 half-moves
12 K5c6 loss in 1 half-moves
13 K5d6 loss in 1 half-moves
14 K7b6 loss in 1 half-moves
15 K7c6 loss in 1 half-moves
16 K7d6 loss in 1 half-moves