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

EGTB: win in 6 half-moves

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