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 Kf6 draw
3 Kf8 draw
4 Kg6 draw
5 Kg7 draw
6 Kg8 draw
7 Ra5 draw
8 Rb5 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf6 draw
13 Rg5 draw
14 Rh5 draw
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves