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

EGTB: win in 2 half-moves

# move score
1 b7 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Ra1 win in 5 half-moves
4 Rd1 win in 5 half-moves
5 Rb2 draw
6 Rb4 draw
7 Rg1 draw
8 Rb5 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rh1 loss in 2 half-moves