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 Re4 draw
3 Re5 draw
4 Re6 draw
5 Ka1 loss in 2 half-moves
6 Ka4 loss in 2 half-moves
7 Kaa2 loss in 2 half-moves
8 Kab3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kba2 loss in 2 half-moves
12 Kbb3 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves