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 Rh8 win in 3 half-moves
3 Kf5 win in 5 half-moves
4 Kg5 win in 5 half-moves
5 Rf7 win in 5 half-moves
6 Ke5 draw
7 Ke6 draw
8 Ke7 draw
9 Kf7 draw
10 Kg1 draw
11 Kg2 draw
12 Kg6 draw
13 Kg7 draw
14 Kh2 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves