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

EGTB: loss in 3 half-moves

# move score
1 Kb1 loss in 2 half-moves
2 Kb3 loss in 2 half-moves
3 Kc1 loss in 2 half-moves
4 Kc3 loss in 2 half-moves
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Ra2 loss in 1 half-moves
20 Rb4 loss in 1 half-moves