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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb4 win in 3 half-moves
3 Rg7 draw
4 Ka1 loss in 2 half-moves
5 Ka2 loss in 2 half-moves
6 Ka3 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves