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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb7 draw
5 Kb8 draw
6 Kd3 draw
7 Kd5 draw
8 Ke3 draw
9 Ke5 draw
10 Kf5 draw
11 Rf3 draw
12 Rf5 draw
13 Rf6 draw
14 Rf8 draw
15 Kb6 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves