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

EGTB: win in 10 half-moves

# move score
1 Kf7 win in 9 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf3 draw
5 Kgg7 loss in 2 half-moves
6 Kgh7 loss in 2 half-moves
7 Khg7 loss in 2 half-moves
8 Khh7 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves