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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Khg4 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Kf2 win in 7 half-moves
5 Kg2 win in 7 half-moves
6 Kh2 win in 7 half-moves
7 Kf3 draw
8 Kf4 draw
9 Kgg4 draw
10 Kgh3 draw
11 Kh5 draw
12 Khh3 draw
13 Ra1 draw
14 Re1 draw
15 Rg1 draw
16 Rh2 draw
17 Rh3 draw
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves