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 Ra1 draw
4 Rb5 draw
5 Rb6 draw
6 Kc2 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb4 loss in 1 half-moves