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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kd6 draw
3 Kf6 draw
4 Ra6 draw
5 Ke6 loss in 12 half-moves
6 Ke8 loss in 12 half-moves
7 Ra8 loss in 12 half-moves
8 Kf7 loss in 10 half-moves
9 Kd7 loss in 6 half-moves
10 Kd8 loss in 6 half-moves
11 Kf8 loss in 6 half-moves
12 Ra5 loss in 4 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Ra1 loss in 1 half-moves