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