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 Rg8 win in 5 half-moves
3 Rh8 win in 15 half-moves
4 Kf6 draw
5 Kf7 draw
6 Kf8 draw
7 Kg4 draw
8 Kg5 draw
9 Kg8 draw
10 Kgg6 draw
11 Kgh6 draw
12 Kh4 draw
13 Kh7 draw
14 Kh8 draw
15 Khg6 draw
16 Khh6 draw
17 Ra3 draw
18 Re8 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rd8 loss in 2 half-moves