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 Ra5 draw
3 Rb5 draw
4 Rc5 draw
5 Rf1 draw
6 Rf2 draw
7 Rg5 draw
8 Rh5 draw
9 f7 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Rf3 loss in 2 half-moves