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 Kb1 draw
3 Kb2 draw
4 Kc1 draw
5 Kcd1 draw
6 Kcd2 draw
7 Ke1 draw
8 Ked1 draw
9 Ked2 draw
10 Kf1 draw
11 Kf2 draw
12 Kf3 draw
13 Ra8 draw
14 Re8 draw
15 Rg8 draw
16 Rh1 draw
17 Rh2 draw
18 Rh7 draw
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kcd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ked3 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh4 loss in 2 half-moves
29 Rh5 loss in 2 half-moves
30 Rh6 loss in 2 half-moves