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