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

EGTB: win in 4 half-moves

# move score
1 Khg4 win in 3 half-moves
2 Rf7 win in 3 half-moves
3 Kg5 win in 5 half-moves
4 Kf2 draw
5 Kf3 draw
6 Kf4 draw
7 Kg2 draw
8 Kgg4 draw
9 Kgh3 draw
10 Kh2 draw
11 Kh5 draw
12 Khh3 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rg7 draw
17 Rh8 draw
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves