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 Kgg6 draw
3 Khg6 draw
4 Khh6 draw
5 Rd8 draw
6 Rg7 draw
7 Rh8 draw
8 Kf4 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kgg4 loss in 2 half-moves
12 Kgh4 loss in 2 half-moves
13 Kgh6 loss in 2 half-moves
14 Khg4 loss in 2 half-moves
15 Khh4 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 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves