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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rd8 draw
5 Kf3 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kgg3 loss in 2 half-moves
9 Kgg5 loss in 2 half-moves
10 Kgh3 loss in 2 half-moves
11 Kgh5 loss in 2 half-moves
12 Khg3 loss in 2 half-moves
13 Khg5 loss in 2 half-moves
14 Khh3 loss in 2 half-moves
15 Khh5 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves