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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb7 draw
11 Kb7 loss in 2 half-moves
12 Rb4 loss in 2 half-moves