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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 K3d3 draw
3 K3d4 draw
4 K3f3 draw
5 K3f4 draw
6 K4d4 draw
7 K4f4 draw
8 Kd2 draw
9 Ke2 draw
10 Kf2 draw
11 Rg4 draw
12 Rh3 draw
13 Rh6 draw
14 K4d3 loss in 2 half-moves
15 K4f3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh7 loss in 2 half-moves
23 Rh8 loss in 2 half-moves