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 Rh6 draw
3 Kc3 loss in 2 half-moves
4 Kc4 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kdd3 loss in 2 half-moves
7 Kdd5 loss in 2 half-moves
8 Kde3 loss in 2 half-moves
9 Kde5 loss in 2 half-moves
10 Ked3 loss in 2 half-moves
11 Ked5 loss in 2 half-moves
12 Kee3 loss in 2 half-moves
13 Kee5 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh7 loss in 2 half-moves
23 Rh8 loss in 2 half-moves