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

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Kf1 draw
3 Kf3 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Ra8 draw
8 Re8 draw
9 Rf7 draw
10 Rg8 draw
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rh8 loss in 2 half-moves