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 Ke7 draw
3 Ke8 draw
4 Kf4 draw
5 Kf7 draw
6 Kg7 draw
7 Kg8 draw
8 Rg4 draw
9 Rh6 draw
10 Rh8 draw
11 Kd3 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh7 loss in 2 half-moves