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 K4d4 draw
3 K4f4 draw
4 K5d4 draw
5 K5d5 draw
6 K5f4 draw
7 K5f5 draw
8 Kd6 draw
9 Ke6 draw
10 Kf6 draw
11 Rg4 draw
12 Rh5 draw
13 Rh7 draw
14 K4d5 loss in 2 half-moves
15 K4f5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh6 loss in 2 half-moves
23 Rh8 loss in 2 half-moves