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

EGTB: draw

# move score
1 Ra5 draw
2 Rd8 draw
3 Rf8 draw
4 Rg8 draw
5 Rh8 draw
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves