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 Kh1 draw
3 Kh2 draw
4 Ra3 draw
5 Rb3 draw
6 Rc3 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Rg3 draw
11 Rh3 draw
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf8 loss in 2 half-moves