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 Re3 draw
3 Kd3 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Ra5 loss in 1 half-moves
21 Ra6 loss in 1 half-moves
22 Ra7 loss in 1 half-moves