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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rc5 draw
3 Rd5 draw
4 Rb8 loss in 8 half-moves
5 Rb6 loss in 4 half-moves
6 Rb7 loss in 4 half-moves
7 Ka7 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Re5 loss in 1 half-moves