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

EGTB: draw

# move score
1 Ka5 draw
2 Ka7 draw
3 Kb5 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Ra7 draw
8 Ra1 loss in 8 half-moves
9 Ra5 loss in 8 half-moves
10 Ra8 loss in 8 half-moves
11 Kc6 loss in 4 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves