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

EGTB: win in 4 half-moves

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