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 K6e7 loss in 2 half-moves
3 K6f7 loss in 2 half-moves
4 K6g7 loss in 2 half-moves
5 K8e7 loss in 2 half-moves
6 K8f7 loss in 2 half-moves
7 K8g7 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves