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

EGTB: draw

# move score
1 Ka7 draw
2 Kb5 draw
3 Ra7 draw
4 Rc8 draw
5 Ka5 loss in 10 half-moves
6 Rg8 loss in 4 half-moves
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves