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 Rg8 win in 3 half-moves
3 Rh8 win in 3 half-moves
4 Kg1 draw
5 Kg3 draw
6 Kh2 draw
7 Kh3 draw
8 Ra8 draw
9 Rd8 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Kh1 loss in 4 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves