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