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 Rc3 draw
3 Ra8 loss in 6 half-moves
4 Kf7 loss in 4 half-moves
5 Kf8 loss in 4 half-moves
6 Ra6 loss in 4 half-moves
7 Ra7 loss in 4 half-moves
8 Kf6 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Kh8 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ra1 loss in 1 half-moves
20 Rd3 loss in 1 half-moves
21 Re3 loss in 1 half-moves
22 Rf3 loss in 1 half-moves