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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Kb2 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Kd2 loss in 1 half-moves
14 Kd3 loss in 1 half-moves
15 Kd4 loss in 1 half-moves