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 Ra3 draw
3 Rb1 draw
4 Rb2 draw
5 Re3 draw
6 Rf3 draw
7 Rg3 draw
8 Rh3 draw
9 Ka3 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves