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 Re1 win in 3 half-moves
3 Rh5 win in 3 half-moves
4 Rh7 win in 3 half-moves
5 Rh8 win in 3 half-moves
6 Ra1 draw
7 Rc1 draw
8 Rd1 draw
9 Rf1 draw
10 Rg1 draw
11 Rh2 draw
12 Rh3 draw
13 Rh4 draw
14 Rh6 draw