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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Ra1 draw
6 Rb1 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rf7 draw
14 Rg1 draw
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves