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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Rg7 win in 3 half-moves
4 Rg8 win in 3 half-moves
5 K5g6 draw
6 K7g6 draw
7 Rb2 draw
8 Rc2 draw
9 Rd2 draw
10 Re2 draw
11 Rg3 draw
12 Rg6 draw
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh8 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 K5h6 loss in 1 half-moves
24 K7h6 loss in 1 half-moves