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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kg3 draw
7 Kh1 draw
8 Kh2 draw
9 Kh3 draw
10 Rf8 draw
11 Rg5 draw
12 Rg6 draw
13 Rg7 draw
14 Rh8 draw
15 Rb8 loss in 4 half-moves
16 Re8 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rd8 loss in 1 half-moves