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

EGTB: draw

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