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 Kd1 draw
3 Kd2 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke6 draw
8 Ke8 draw
9 Kf1 draw
10 Kf8 draw
11 Ra7 draw
12 Rc1 draw
13 Rc2 draw
14 Rc3 draw
15 Rc8 draw
16 Rd7 draw
17 Ke2 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves