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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Ke1 draw
3 Kg1 draw
4 Ra8 draw
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves