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

EGTB: win in 50 half-moves

# move score
1 Rb8 win in 49 half-moves
2 Rb1 win in 53 half-moves
3 Rb2 win in 53 half-moves
4 Rb3 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rb7 loss in 4 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Kcd8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ked7 loss in 2 half-moves
16 Ked8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves