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 Kg5 win in 5 half-moves
3 Kg7 win in 5 half-moves
4 Rh8 win in 7 half-moves
5 Ke5 draw
6 Ke6 draw
7 Ke7 draw
8 Kf5 draw
9 Kf7 draw
10 Kg2 draw
11 Kg3 draw
12 Kg4 draw
13 Kg6 draw
14 Kh2 draw
15 Kh4 draw
16 Rc8 draw
17 Rd8 draw
18 Re8 draw
19 Rf7 draw
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves