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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rg3 draw
6 Rg4 draw
7 Rg5 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kgg2 loss in 2 half-moves
11 Kgh2 loss in 2 half-moves
12 Khg2 loss in 2 half-moves
13 Khh2 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves