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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Rb2 draw
5 Ra1 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Kb2 loss in 1 half-moves
10 Kc2 loss in 1 half-moves
11 Kd1 loss in 1 half-moves
12 Kd2 loss in 1 half-moves