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 Kf1 draw
5 Kf2 draw
6 Kg3 draw
7 Kgg2 draw
8 Kgh2 draw
9 Kh1 draw
10 Kh4 draw
11 Khg2 draw
12 Khh2 draw
13 Ra8 draw
14 Rh8 draw
15 Kg4 loss in 2 half-moves
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 Rf8 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves