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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kf1 draw
3 Kh1 draw
4 Ra8 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Kf2 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Ka2 loss in 1 half-moves
13 Ka4 loss in 1 half-moves
14 Kb2 loss in 1 half-moves
15 Kb3 loss in 1 half-moves
16 Kb4 loss in 1 half-moves
17 Rg2 loss in 1 half-moves
18 Rg3 loss in 1 half-moves
19 Rg4 loss in 1 half-moves
20 Rg5 loss in 1 half-moves
21 Rg6 loss in 1 half-moves
22 Rg7 loss in 1 half-moves
23 Rh8 loss in 1 half-moves