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 Rb1 win in 7 half-moves
3 Rg7 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kcd1 loss in 2 half-moves
8 Kcd2 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ked1 loss in 2 half-moves
11 Ked2 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves