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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rd1 draw
3 Re1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf4 draw
7 Rf5 draw
8 Rg1 draw
9 Rh1 draw
10 Ra1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rf8 loss in 2 half-moves