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

EGTB: loss in 3 half-moves

# move score
1 Kb6 loss in 2 half-moves
2 Kb7 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Kd6 loss in 1 half-moves
14 Kd7 loss in 1 half-moves
15 Kd8 loss in 1 half-moves
16 Ra4 loss in 1 half-moves