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 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf3 draw
8 Ra1 draw
9 Ra4 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves