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

EGTB: win in 2 half-moves

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