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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Rd5 draw
3 Re5 draw
4 Rf3 draw
5 Rf4 draw
6 Rg5 draw
7 Rh5 draw
8 Ra5 loss in 2 half-moves
9 Rb5 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves