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