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

EGTB: win in 10 half-moves

# move score
1 Rg2 win in 9 half-moves
2 Kf3 draw
3 Kg2 draw
4 Kh6 draw
5 Khh4 draw
6 Ra1 draw
7 Rb1 draw
8 Rc1 draw
9 Rh1 draw
10 Kf2 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kgg4 loss in 2 half-moves
15 Kgh4 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Khg4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves