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 Ra3 draw
9 Rb3 draw
10 Rc3 draw
11 Rd3 draw
12 Re3 draw
13 Rf1 draw
14 Rf2 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rf8 draw
19 Rg3 draw
20 Rh3 draw
21 Kf2 loss in 2 half-moves