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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 Rc4 draw
3 Ke1 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Kff2 loss in 2 half-moves
6 Kfg2 loss in 2 half-moves
7 Kgf2 loss in 2 half-moves
8 Kgg2 loss in 2 half-moves
9 Kh1 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh4 loss in 2 half-moves