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 Kf8 draw
3 Kg6 draw
4 Kgg8 draw
5 Kgh7 draw
6 Kh6 draw
7 Khg8 draw
8 Khh7 draw
9 Ra8 draw
10 Rb2 draw
11 Rb7 draw
12 Rg8 draw
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves