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