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 Kb2 draw
3 Rb2 draw
4 Rb4 draw
5 Rb6 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 draw
12 Ka2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb5 loss in 1 half-moves