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 Kc7 draw
3 Kc8 draw
4 Kd8 draw
5 Ke7 draw
6 Ke8 draw
7 Kf7 draw
8 Kf8 draw
9 Kg7 draw
10 Kh7 draw
11 Kh8 draw
12 Ra2 draw
13 Ra6 draw
14 Ra7 draw
15 Rd8 draw
16 Re8 draw
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves