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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rb6 draw
3 Rc6 draw
4 Rd6 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 Ka2 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh6 loss in 2 half-moves