Click on the third or sixth rank to set the en passant target square.

EGTB: win in 6 half-moves

# move score
1 Rf8 win in 5 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kcd7 draw
5 Kcd8 draw
6 Ke7 draw
7 Ked7 draw
8 Ked8 draw
9 Kf7 draw
10 Kf8 draw
11 Rg8 draw
12 Rh2 draw
13 Kb7 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves