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