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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rf8 win in 7 half-moves
3 Rg8 win in 7 half-moves
4 Ke7 draw
5 Ke8 draw
6 Kff6 draw
7 Kff8 draw
8 Kfg6 draw
9 Kfg8 draw
10 Kgf6 draw
11 Kgf8 draw
12 Kgg6 draw
13 Kgg8 draw
14 Kh6 draw
15 Kh7 draw
16 Kh8 draw
17 Ra2 draw
18 Ra6 draw
19 Ra7 draw
20 Re8 draw
21 Ke6 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves