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 Kd7 draw
3 Kd8 draw
4 Ke8 loss in 10 half-moves
5 Rc8 loss in 10 half-moves
6 Kf7 loss in 8 half-moves
7 Kf8 loss in 6 half-moves
8 Ra7 loss in 6 half-moves
9 Rc1 loss in 4 half-moves
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rc2 loss in 1 half-moves