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