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 Ra1 draw
5 Rb1 draw
6 Re1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf8 draw
10 Rg1 draw
11 Rh1 draw
12 Ke1 loss in 10 half-moves
13 Kf2 loss in 4 half-moves
14 Kd3 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves