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