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