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

EGTB: draw

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