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 Ra1 draw
6 Ra5 draw
7 Ra7 draw
8 Ra8 draw
9 Rb6 draw
10 Kc7 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Kd7 loss in 4 half-moves
13 Kd5 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves