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 K7f8 draw
3 K7h7 draw
4 K7h8 draw
5 K8f8 draw
6 K8h7 draw
7 K8h8 draw
8 Kf6 draw
9 Kg6 draw
10 Kh6 draw
11 Ra7 draw
12 Re7 draw
13 Rf1 draw
14 Rf2 draw
15 Rf3 draw
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves