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