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 draw
3 Rb2 draw
4 Rb6 draw
5 Rb7 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves