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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kb6 draw
4 Ra1 draw
5 Ra7 draw
6 Ra8 draw
7 Rb6 draw
8 Kc7 loss in 16 half-moves
9 Kd7 loss in 8 half-moves
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves