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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kc5 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Ke5 draw
7 Ke6 draw
8 Rf1 draw
9 Rf2 draw
10 Rf3 draw
11 Rf5 draw
12 Kc6 loss in 4 half-moves
13 Ke7 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves