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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Kc5 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc7 loss in 2 half-moves