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 Kg7 draw
3 Kh7 draw
4 Kh8 draw
5 Ra3 draw
6 Rb3 draw
7 Rf1 draw
8 Rf2 draw
9 Rf6 draw
10 Rg3 draw
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh3 loss in 2 half-moves