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 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg5 draw
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kg1 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh8 loss in 1 half-moves