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 draw
3 Rb5 draw
4 Rb6 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Ka1 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kf5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb3 loss in 2 half-moves