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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Rd8 draw
8 Re8 draw
9 Rf3 draw
10 Rf5 draw
11 Rf6 draw
12 Rf7 draw
13 Rg8 draw
14 Rh8 draw
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves