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 Rf8 win in 3 half-moves
3 Kf8 draw
4 Kgg7 draw
5 Kgh7 draw
6 Khg7 draw
7 Khh7 draw
8 Ra3 draw
9 Rf1 draw
10 Rf2 draw
11 Rg3 draw
12 Rh3 draw
13 Kf7 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves