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 Rf1 win in 1 half-moves
3 Kc1 draw
4 Kd1 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rg1 draw
10 Rh1 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves