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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Kg3 draw
3 Kg6 draw
4 Kgg4 draw
5 Kgh5 draw
6 Kh3 draw
7 Kh6 draw
8 Khg4 draw
9 Khh5 draw
10 Ra1 draw
11 Rf1 draw
12 Rg2 draw
13 Rh1 draw
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg4 loss in 2 half-moves