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

EGTB: win in 8 half-moves

# move score
1 Rg6 win in 7 half-moves
2 Kgg4 draw
3 Kgg6 draw
4 Khg4 draw
5 Khg6 draw
6 Khh4 draw
7 Khh6 draw
8 Re8 draw
9 Rg7 draw
10 Rh8 draw
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kgh4 loss in 2 half-moves
15 Kgh6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves