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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Kg2 draw
3 Kg4 draw
4 Kh2 draw
5 Kh3 draw
6 Kh4 draw
7 Ra8 draw
8 Rb8 draw
9 Rf8 draw
10 Rg4 draw
11 Rg6 draw
12 Rg7 draw
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves