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 Kf7 draw
3 Kg7 draw
4 Kg8 draw
5 Rd2 draw
6 Re2 draw
7 Rf1 draw
8 Rf3 draw
9 Rf5 draw
10 Rf6 draw
11 Rg2 draw
12 Rh2 draw
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rf7 loss in 2 half-moves