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

EGTB: draw

# move score
1 Kb5 draw
2 Ra5 draw
3 Ra6 draw
4 Ra7 draw
5 Rd8 draw
6 Ka3 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Ka5 loss in 1 half-moves