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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf2 draw
3 Kgg2 draw
4 Kgh2 draw
5 Khg2 draw
6 Khh2 draw
7 Ra6 draw
8 Re6 draw
9 Rf2 draw
10 Rf7 draw
11 Rf8 draw
12 Rg6 draw
13 Rh6 draw
14 Kf1 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves