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

EGTB: draw

# move score
1 Rb8 draw
2 Rc8 draw
3 Rd8 draw
4 Re8 draw
5 Rf2 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 Ra8 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves