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 Rb7 draw
4 Ra3 loss in 8 half-moves
5 Ka7 loss in 6 half-moves
6 Rb1 loss in 6 half-moves
7 Rb2 loss in 6 half-moves
8 Kb5 loss in 4 half-moves
9 Ka5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Kb7 loss in 1 half-moves