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 Kc2 draw
3 Kd1 draw
4 Kd2 draw
5 Rb2 draw
6 Rb6 draw
7 Kb2 loss in 36 half-moves
8 Ra1 loss in 4 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves