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

EGTB: draw

# move score
1 Kb5 draw
2 Kc5 draw
3 Kd5 draw
4 Ra1 draw
5 Kb6 loss in 18 half-moves
6 Ra7 loss in 18 half-moves
7 Kb7 loss in 14 half-moves
8 Kc7 loss in 14 half-moves
9 Rb6 loss in 14 half-moves
10 Ra8 loss in 12 half-moves
11 Kd7 loss in 8 half-moves
12 Kd6 loss in 6 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