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 Ra3 draw
3 Rb3 draw
4 Rc3 draw
5 Rd3 draw
6 Rf8 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Kf1 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Re3 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
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves