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