Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Ra3 draw
11 Rb3 draw
12 Rf4 draw
13 Rf5 draw
14 Rf6 draw
15 Rf8 draw
16 Rg3 draw
17 Rh3 draw
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves