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 Kf5 win in 5 half-moves
5 Kg5 win in 5 half-moves
6 Kh5 win in 5 half-moves
7 Kf3 draw
8 Kf4 draw
9 Kg3 draw
10 Kh3 draw
11 Kh4 draw
12 Ra8 draw
13 Rd6 draw
14 Rd7 draw
15 Re8 draw
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves