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

EGTB: loss in 7 half-moves

# move score
1 Ra4 loss in 6 half-moves
2 Kc8 loss in 4 half-moves
3 Ke8 loss in 4 half-moves
4 Rb8 loss in 4 half-moves
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Ra5 loss in 1 half-moves