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