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 Rd5 draw
3 Rf6 draw
4 Rf7 draw
5 Rf8 draw
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Kff2 loss in 2 half-moves
9 Kfg2 loss in 2 half-moves
10 Kgf2 loss in 2 half-moves
11 Kgg2 loss in 2 half-moves
12 Kh1 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves