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