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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Rg4 win in 3 half-moves
4 K3g3 draw
5 K3g4 draw
6 K4g3 draw
7 K4g4 draw
8 Kg2 draw
9 Kg5 draw
10 Kh2 draw
11 Kh5 draw
12 Ra8 draw
13 Rf8 draw
14 Rg1 draw
15 Rh8 draw
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves