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 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kg4 draw
6 Kg6 draw
7 Kh4 draw
8 Kh5 draw
9 Kh6 draw
10 Ra8 draw
11 Rb8 draw
12 Rc8 draw
13 Rd3 draw
14 Rd4 draw
15 Rd5 draw
16 Rd6 draw
17 Rd7 draw
18 Re8 draw
19 Rg8 draw
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rh8 loss in 2 half-moves