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 Kf7 draw
3 Kf8 draw
4 Kgg7 draw
5 Kgh7 draw
6 Khh7 draw
7 Ra3 draw
8 Re3 draw
9 Rf1 draw
10 Rf2 draw
11 Rf8 draw
12 Rg3 draw
13 Rh3 draw
14 Khg7 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves