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

EGTB: draw

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