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 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Rb8 draw
10 Rc8 draw
11 Re8 draw
12 Rf1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 draw
16 Rf7 draw
17 Rg8 draw
18 Rh8 draw
19 Kf3 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rf6 loss in 2 half-moves