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

EGTB: win in 10 half-moves

# move score
1 Rb4 win in 9 half-moves
2 Rb6 draw
3 Rh1 draw
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kde5 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kfe5 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rg1 loss in 2 half-moves