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 Ra7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Kd3 loss in 2 half-moves
24 Kd4 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Kd6 loss in 2 half-moves
27 Rb6 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rd7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves