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 Kf4 win in 7 half-moves
3 Rh8 win in 7 half-moves
4 Kf5 win in 9 half-moves
5 Kf6 draw
6 Kg1 draw
7 Kg2 draw
8 Kg4 draw
9 Kg6 draw
10 Kh2 draw
11 Kh4 draw
12 Kh5 draw
13 Kh6 draw
14 Ra8 draw
15 Re8 draw
16 Rf8 draw
17 Rg7 draw
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves