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 Rb7 draw
3 Rf5 draw
4 Rf6 draw
5 Rf8 draw
6 Kg1 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kg3 loss in 2 half-moves
9 Kh1 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves