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 Rf7 win in 1 half-moves
3 Ka5 draw
4 Ka7 draw
5 Kb6 draw
6 Ra7 draw
7 Rb1 draw
8 Rb5 draw
9 Rb6 draw
10 Rc7 draw
11 Kb5 loss in 8 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves