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