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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Rf2 draw
3 Rf6 draw
4 Rf7 draw
5 Rf8 draw
6 Kd1 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Kf1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 K1d2 loss in 1 half-moves
17 K1e2 loss in 1 half-moves
18 K1f2 loss in 1 half-moves
19 K3d2 loss in 1 half-moves
20 K3e2 loss in 1 half-moves
21 K3f2 loss in 1 half-moves