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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Re6 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves