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

EGTB: draw

# move score
1 Ka2 draw
2 Ka7 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves