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 Kc4 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Rb2 draw
7 Rb5 draw
8 Rd1 draw
9 Kd4 loss in 14 half-moves
10 Ra1 loss in 10 half-moves
11 Kb4 loss in 4 half-moves
12 Kb5 loss in 4 half-moves
13 Kb6 loss in 4 half-moves
14 Rc1 loss in 4 half-moves
15 Re1 loss in 4 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 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