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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rg1 win in 7 half-moves
3 Rg2 win in 7 half-moves
4 Rg3 win in 7 half-moves
5 Kh6 draw
6 Ra5 draw
7 Rb5 draw
8 Rc5 draw
9 Rg4 draw
10 Rg6 draw
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Kg6 loss in 1 half-moves