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 Rh4 win in 5 half-moves
3 Ra3 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 K6g6 loss in 2 half-moves
11 K6g7 loss in 2 half-moves
12 K7g6 loss in 2 half-moves
13 K7g7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves