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 Ke7 draw
3 Kf7 draw
4 Kg7 draw
5 Rf3 draw
6 Rf7 draw
7 Rg5 draw
8 Rh5 draw
9 Ke8 loss in 6 half-moves
10 Kg8 loss in 6 half-moves
11 Rf6 loss in 6 half-moves
12 Ra5 loss in 4 half-moves
13 Rc5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rb5 loss in 1 half-moves