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 Ke6 draw
3 Kf6 draw
4 Kf8 draw
5 Re8 draw
6 Rg7 draw
7 Ke7 loss in 8 half-moves
8 Rc8 loss in 8 half-moves
9 Rd8 loss in 8 half-moves
10 Rh8 loss in 8 half-moves
11 Kg7 loss in 6 half-moves
12 Rf8 loss in 6 half-moves
13 Ke8 loss in 4 half-moves
14 Kg6 loss in 4 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves