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

EGTB: win in 2 half-moves

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