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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Kg2 draw
3 Kg5 draw
4 Kgg3 draw
5 Kgh4 draw
6 Kh2 draw
7 Kh5 draw
8 Khg3 draw
9 Khh4 draw
10 Ra7 draw
11 Re7 draw
12 Rg8 draw
13 Rh7 draw
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves