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