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 Kc7 draw
3 Kc8 draw
4 Kd6 draw
5 Kdd8 draw
6 Kde7 draw
7 Ke6 draw
8 Ked8 draw
9 Kf8 draw
10 Rg8 draw
11 Rh1 draw
12 Rh7 draw
13 Kc6 loss in 2 half-moves
14 Kee7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves