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

EGTB: win in 4 half-moves

# move score
1 K8f7 win in 3 half-moves
2 K6f7 draw
3 Kf6 draw
4 Rf2 draw
5 Rf3 draw
6 Rf4 draw
7 K6d7 loss in 2 half-moves
8 K6e7 loss in 2 half-moves
9 K8d7 loss in 2 half-moves
10 K8e7 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves