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

EGTB: draw

# move score
1 Ra6 draw
2 Rc8 draw
3 Ka6 loss in 4 half-moves
4 Ra7 loss in 4 half-moves
5 Ka4 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 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 Rg8 loss in 2 half-moves
14 Rh8 loss in 1 half-moves