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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rb4 win in 5 half-moves
5 Kb8 draw
6 Kc8 draw
7 Kd8 draw
8 Ra1 draw
9 Rb8 draw
10 Rg1 draw
11 Rh1 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Re1 loss in 2 half-moves
30 Rf1 loss in 2 half-moves