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 Kd7 draw
3 Kd8 draw
4 Kf7 draw
5 Rf6 draw
6 Rg1 draw
7 Rg2 draw
8 Rg8 draw
9 Ra6 loss in 8 half-moves
10 Ke8 loss in 4 half-moves
11 Kf8 loss in 4 half-moves
12 Rg7 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves