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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb7 draw
3 Kd8 draw
4 Kg8 draw
5 Kh7 draw
6 Ra8 draw
7 Rb7 draw
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves