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

EGTB: win in 2 half-moves

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