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 K6g7 draw
3 Kf5 draw
4 Kg5 draw
5 Rg6 draw
6 Rh8 draw
7 Kg6 loss in 4 half-moves
8 K6e7 loss in 2 half-moves
9 K6f7 loss in 2 half-moves
10 K8e7 loss in 2 half-moves
11 K8f7 loss in 2 half-moves
12 K8g7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg7 loss in 2 half-moves