Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ra6 draw
3 Rg6 loss in 4 half-moves
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rb1 loss in 1 half-moves
16 Rb2 loss in 1 half-moves
17 Rb3 loss in 1 half-moves
18 Rh6 loss in 1 half-moves