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 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb6 loss in 2 half-moves