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 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Re8 draw
8 Rg8 draw
9 Rh8 draw
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kgg4 loss in 2 half-moves
14 Kgg6 loss in 2 half-moves
15 Kgh4 loss in 2 half-moves
16 Kgh6 loss in 2 half-moves
17 Khg4 loss in 2 half-moves
18 Khg6 loss in 2 half-moves
19 Khh4 loss in 2 half-moves
20 Khh6 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves