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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rb8 draw
4 Ka3 loss in 2 half-moves
5 Ka5 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 Kc4 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kcb4 loss in 2 half-moves
12 Kcb5 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh6 loss in 2 half-moves