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