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 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kh1 draw
6 Kh3 draw
7 Rb6 draw
8 Rc6 draw
9 Rd6 draw
10 Re6 draw
11 Rf2 draw
12 Rf3 draw
13 Rf5 draw
14 Rf7 draw
15 Rf8 draw
16 Rg6 draw
17 Rh6 draw
18 Ra6 loss in 2 half-moves
19 Rf1 loss in 2 half-moves