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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Rg1 draw
6 Rg3 draw
7 Rg5 draw
8 Rg7 draw
9 Rh2 draw
10 Rc2 loss in 6 half-moves
11 Rd2 loss in 6 half-moves
12 Re2 loss in 6 half-moves
13 Ra2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rf2 loss in 1 half-moves