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 Rc1 draw
3 Rd1 draw
4 Re1 draw
5 Rf1 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kff7 loss in 2 half-moves
12 Kfg7 loss in 2 half-moves
13 Kgf7 loss in 2 half-moves
14 Kgg7 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh1 loss in 2 half-moves