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 Rb1 draw
3 Rb3 draw
4 Rb4 draw
5 Rb5 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Rh8 draw
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kgg5 loss in 2 half-moves
15 Kgg7 loss in 2 half-moves
16 Kgh5 loss in 2 half-moves
17 Kgh7 loss in 2 half-moves
18 Khg5 loss in 2 half-moves
19 Khg7 loss in 2 half-moves
20 Khh5 loss in 2 half-moves
21 Khh7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves