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 Rf3 win in 5 half-moves
3 Rf4 win in 5 half-moves
4 Kf2 draw
5 Kgg2 draw
6 Kgh2 draw
7 Khg2 draw
8 Khh2 draw
9 Ra8 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf2 draw
15 Kf1 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves