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 Kg3 draw
6 Kh3 draw
7 Rg3 draw
8 Rf8 loss in 20 half-moves
9 Rh8 loss in 14 half-moves
10 Kg1 loss in 12 half-moves
11 Re8 loss in 12 half-moves
12 Kh2 loss in 8 half-moves
13 Kh1 loss in 6 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Ra8 loss in 1 half-moves