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 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Kd6 draw
6 Kd7 draw
7 Ra1 draw
8 Rb6 draw
9 Rd1 draw
10 Kd5 loss in 6 half-moves
11 Kb5 loss in 4 half-moves
12 Kb6 loss in 4 half-moves
13 Rc1 loss in 4 half-moves
14 Re1 loss in 4 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves