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 Kd6 draw
3 Kd7 loss in 2 half-moves
4 Kd8 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves