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 Rf5 draw
7 Rg5 draw
8 Rh5 draw
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves