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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb4 win in 5 half-moves
3 Rh1 draw
4 Ka4 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kab4 loss in 2 half-moves
7 Kab5 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kcb4 loss in 2 half-moves
13 Kcb5 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 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 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves