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 Kc5 draw
3 Kc7 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Kd5 loss in 10 half-moves
9 Kb5 loss in 4 half-moves
10 Kb6 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Kd7 loss in 4 half-moves
13 Kb7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Ra3 loss in 1 half-moves