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 Kh2 draw
6 Rf1 draw
7 Rf2 draw
8 Rf5 draw
9 Rg3 draw
10 Rh3 draw
11 Kh1 loss in 4 half-moves
12 Re3 loss in 4 half-moves
13 Ra3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rb3 loss in 1 half-moves