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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Ka4 draw
6 Ka5 draw
7 Kb2 draw
8 Kb3 draw
9 Kb5 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Rh1 draw
14 Rh2 draw
15 Rh6 draw
16 Rh7 draw
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves