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

EGTB: draw

# move score
1 Rb8 draw
2 Rc7 draw
3 Rd7 draw
4 Re7 draw
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kgg1 loss in 2 half-moves
9 Kgg3 loss in 2 half-moves
10 Kgh1 loss in 2 half-moves
11 Kgh3 loss in 2 half-moves
12 Khg1 loss in 2 half-moves
13 Khg3 loss in 2 half-moves
14 Khh1 loss in 2 half-moves
15 Khh3 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves