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 Ke1 draw
5 Ke3 draw
6 Kf1 draw
7 Kf2 draw
8 Kf3 draw
9 Ra6 draw
10 Rb6 draw
11 Rc6 draw
12 Rd6 draw
13 Re6 draw
14 Rf1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf5 draw
18 Kd3 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves