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 Kf5 draw
3 Kf7 draw
4 Kg5 draw
5 Kg7 draw
6 Kh5 draw
7 Kh6 draw
8 Kh7 draw
9 Ra6 draw
10 Rb6 draw
11 Rc6 draw
12 Rd6 draw
13 Re6 draw
14 Rf3 draw
15 Rf5 draw
16 Rf7 draw
17 Rf8 draw
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves