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 Kc1 draw
3 Kc3 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rd1 draw
8 Ra1 loss in 8 half-moves
9 Rg1 loss in 8 half-moves
10 Kb2 loss in 6 half-moves
11 Kd2 loss in 6 half-moves
12 Kd3 loss in 6 half-moves
13 Rc1 loss in 6 half-moves
14 Kb3 loss in 4 half-moves
15 Kd1 loss in 4 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves