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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kh2 win in 5 half-moves
3 Kh4 win in 5 half-moves
4 Rh7 win in 5 half-moves
5 Kf5 draw
6 Kf6 draw
7 Kg1 draw
8 Kg6 draw
9 Kh5 draw
10 Kh6 draw
11 Ra7 draw
12 Rb7 draw
13 Rf7 draw
14 Rg8 draw
15 Kf4 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves