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 Kb6 draw
3 Kb7 draw
4 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Ra1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Kb8 loss in 1 half-moves
18 Kc8 loss in 1 half-moves
19 Kd8 loss in 1 half-moves
20 Rd1 loss in 1 half-moves
21 Re1 loss in 1 half-moves
22 Rh1 loss in 1 half-moves