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 Kd4 loss in 2 half-moves
3 Kd5 loss in 2 half-moves
4 Kd6 loss in 2 half-moves
5 Ke4 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kee6 loss in 2 half-moves
9 Kef6 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kfe6 loss in 2 half-moves
14 Kff6 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Nf3 loss in 2 half-moves
19 Nf5 loss in 2 half-moves
20 Ng6 loss in 2 half-moves
21 Ng2 loss in 1 half-moves