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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Ra8 draw
11 Rc1 draw
12 Rc2 draw
13 Rc3 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Kc7 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Rc7 loss in 2 half-moves