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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Rb7 win in 3 half-moves
4 Ra1 draw
5 Rb2 draw
6 Rb6 draw
7 Rc1 draw
8 Rf1 draw
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves