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 Khg5 draw
4 Khh4 draw
5 Re1 draw
6 Rg2 draw
7 Rh1 draw
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kgg5 loss in 2 half-moves
13 Kgh4 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Ra1 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 Rf1 loss in 2 half-moves