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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra8 draw
3 Rb1 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Re8 draw
8 Rg8 draw
9 Rh8 draw
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kgg5 loss in 2 half-moves
16 Kgh6 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Khg5 loss in 2 half-moves
20 Khh6 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves