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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rf1 win in 5 half-moves
3 Rf2 win in 5 half-moves
4 Kg1 draw
5 Kg2 draw
6 Kg4 draw
7 Kg5 draw
8 Kg6 draw
9 Kh2 draw
10 Kh4 draw
11 Kh6 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Rf3 draw
16 Rf7 draw
17 Rh8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves