Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Rg1 draw
3 Rg2 draw
4 Kf6 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Kh6 loss in 2 half-moves
10 Kh7 loss in 2 half-moves
11 Kh8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Ra4 loss in 1 half-moves
19 Rb4 loss in 1 half-moves
20 Rd4 loss in 1 half-moves