Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb3 draw
3 Ra1 draw
4 Rb3 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Re1 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 loss in 10 half-moves
12 Rc1 loss in 8 half-moves
13 Kb2 loss in 6 half-moves
14 Kc1 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rd1 loss in 2 half-moves