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