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