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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kf5 draw
3 Rc7 draw
4 Re7 draw
5 Rf3 draw
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves