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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Rb8 draw
3 Rg4 draw
4 Rg5 draw
5 K4e4 loss in 2 half-moves
6 K4e5 loss in 2 half-moves
7 K4g4 loss in 2 half-moves
8 K4g5 loss in 2 half-moves
9 K5e4 loss in 2 half-moves
10 K5e5 loss in 2 half-moves
11 K5g4 loss in 2 half-moves
12 K5g5 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves