Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 f7 loss in 2 half-moves
3 Ra4 loss in 2 half-moves
4 Rb4 loss in 2 half-moves
5 Rc4 loss in 2 half-moves
6 Rd4 loss in 2 half-moves
7 Rf1 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rf5 loss in 2 half-moves
10 Re4 loss in 1 half-moves
11 Rg4 loss in 1 half-moves
12 Rh4 loss in 1 half-moves