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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc1 draw
3 Rb3 draw
4 Ra7 loss in 10 half-moves
5 Ka1 loss in 6 half-moves
6 Rb8 loss in 4 half-moves
7 Ka2 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rg7 loss in 1 half-moves