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 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Kgg5 draw
6 Kgg7 draw
7 Kgh5 draw
8 Kgh7 draw
9 Khg5 draw
10 Khg7 draw
11 Khh5 draw
12 Khh7 draw
13 Rc1 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Rg8 draw
20 Rh8 draw
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves