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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Kd1 win in 5 half-moves
4 Kd2 win in 5 half-moves
5 Kd3 win in 5 half-moves
6 Rf1 win in 5 half-moves
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Kd6 draw
11 Ke1 draw
12 Ke6 draw
13 Kf1 draw
14 Rf7 draw
15 Rf8 draw
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves