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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Rg1 draw
7 Rg2 draw
8 Rh6 draw
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves