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 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Ra3 draw
8 Rb3 draw
9 Rc3 draw
10 Rd3 draw
11 Re3 draw
12 Rf5 draw
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves