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 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Kg6 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Ke1 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh7 loss in 2 half-moves