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