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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb7 draw
6 Re4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka2 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kh1 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves