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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Re1 draw
3 Rf1 draw
4 Rg1 draw
5 Ka7 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves