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

EGTB: win in 6 half-moves

# move score
1 Rg3 win in 5 half-moves
2 Kgg3 draw
3 Kgg5 draw
4 Khg3 draw
5 Khg5 draw
6 Khh3 draw
7 Khh5 draw
8 Rg2 draw
9 Rh1 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kgh3 loss in 2 half-moves
14 Kgh5 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves