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 Rd5 draw
6 Re5 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rf6 draw
11 Rg5 draw
12 Rh5 draw
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rf7 loss in 2 half-moves