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 K6b6 loss in 1 half-moves
3 K6b7 loss in 1 half-moves
4 K6d7 loss in 1 half-moves
5 K7b6 loss in 1 half-moves
6 K7b7 loss in 1 half-moves
7 K7d7 loss in 1 half-moves
8 Kb8 loss in 1 half-moves
9 Kc5 loss in 1 half-moves
10 Kc8 loss in 1 half-moves
11 Kd5 loss in 1 half-moves
12 Kd8 loss in 1 half-moves
13 Nb7 loss in 1 half-moves
14 Nc4 loss in 1 half-moves
15 Nc8 loss in 1 half-moves
16 Ne4 loss in 1 half-moves
17 Ne8 loss in 1 half-moves
18 Nf5 loss in 1 half-moves
19 Nf7 loss in 1 half-moves