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 Kc6 draw
3 Rb6 draw
4 Ka6 loss in 20 half-moves
5 Ka7 loss in 18 half-moves
6 Ka8 loss in 18 half-moves
7 Kb8 loss in 18 half-moves
8 Kc7 loss in 16 half-moves
9 Ra1 loss in 12 half-moves
10 Kb6 loss in 10 half-moves
11 Kc8 loss in 10 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rf1 loss in 1 half-moves