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 Kc1 draw
3 Kc2 draw
4 Kdd2 draw
5 Kde1 draw
6 Ked2 draw
7 Kee1 draw
8 Kf1 draw
9 Kf2 draw
10 Kf3 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Ra7 draw
15 Re8 draw
16 Rg8 draw
17 Rh8 draw
18 Kd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves