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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 Rg7 win in 1 half-moves
3 Rh8 win in 1 half-moves
4 Rg5 draw
5 Ra8 loss in 2 half-moves
6 Rb8 loss in 2 half-moves
7 Rc8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg3 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 g1=B loss in 1 half-moves
14 g1=K loss in 1 half-moves
15 g1=N loss in 1 half-moves
16 g1=Q loss in 1 half-moves
17 g1=R loss in 1 half-moves